net/hns3: fix VLAN tags reported in Rx
[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 int hns3_logtype_init;
64 int hns3_logtype_driver;
65
66 enum hns3_evt_cause {
67         HNS3_VECTOR0_EVENT_RST,
68         HNS3_VECTOR0_EVENT_MBX,
69         HNS3_VECTOR0_EVENT_ERR,
70         HNS3_VECTOR0_EVENT_OTHER,
71 };
72
73 static enum hns3_reset_level hns3_get_reset_level(struct hns3_adapter *hns,
74                                                  uint64_t *levels);
75 static int hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
76 static int hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid,
77                                     int on);
78 static int hns3_update_speed_duplex(struct rte_eth_dev *eth_dev);
79
80 static int hns3_add_mc_addr(struct hns3_hw *hw,
81                             struct rte_ether_addr *mac_addr);
82 static int hns3_remove_mc_addr(struct hns3_hw *hw,
83                             struct rte_ether_addr *mac_addr);
84
85 static void
86 hns3_pf_disable_irq0(struct hns3_hw *hw)
87 {
88         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 0);
89 }
90
91 static void
92 hns3_pf_enable_irq0(struct hns3_hw *hw)
93 {
94         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 1);
95 }
96
97 static enum hns3_evt_cause
98 hns3_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval)
99 {
100         struct hns3_hw *hw = &hns->hw;
101         uint32_t vector0_int_stats;
102         uint32_t cmdq_src_val;
103         uint32_t val;
104         enum hns3_evt_cause ret;
105
106         /* fetch the events from their corresponding regs */
107         vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
108         cmdq_src_val = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG);
109
110         /*
111          * Assumption: If by any chance reset and mailbox events are reported
112          * together then we will only process reset event and defer the
113          * processing of the mailbox events. Since, we would have not cleared
114          * RX CMDQ event this time we would receive again another interrupt
115          * from H/W just for the mailbox.
116          */
117         if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats) { /* IMP */
118                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
119                 hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
120                 val = BIT(HNS3_VECTOR0_IMPRESET_INT_B);
121                 if (clearval) {
122                         hw->reset.stats.imp_cnt++;
123                         hns3_warn(hw, "IMP reset detected, clear reset status");
124                 } else {
125                         hns3_schedule_delayed_reset(hns);
126                         hns3_warn(hw, "IMP reset detected, don't clear reset status");
127                 }
128
129                 ret = HNS3_VECTOR0_EVENT_RST;
130                 goto out;
131         }
132
133         /* Global reset */
134         if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats) {
135                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
136                 hns3_atomic_set_bit(HNS3_GLOBAL_RESET, &hw->reset.pending);
137                 val = BIT(HNS3_VECTOR0_GLOBALRESET_INT_B);
138                 if (clearval) {
139                         hw->reset.stats.global_cnt++;
140                         hns3_warn(hw, "Global reset detected, clear reset status");
141                 } else {
142                         hns3_schedule_delayed_reset(hns);
143                         hns3_warn(hw, "Global reset detected, don't clear reset status");
144                 }
145
146                 ret = HNS3_VECTOR0_EVENT_RST;
147                 goto out;
148         }
149
150         /* check for vector0 msix event source */
151         if (vector0_int_stats & HNS3_VECTOR0_REG_MSIX_MASK) {
152                 val = vector0_int_stats;
153                 ret = HNS3_VECTOR0_EVENT_ERR;
154                 goto out;
155         }
156
157         /* check for vector0 mailbox(=CMDQ RX) event source */
158         if (BIT(HNS3_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_val) {
159                 cmdq_src_val &= ~BIT(HNS3_VECTOR0_RX_CMDQ_INT_B);
160                 val = cmdq_src_val;
161                 ret = HNS3_VECTOR0_EVENT_MBX;
162                 goto out;
163         }
164
165         if (clearval && (vector0_int_stats || cmdq_src_val))
166                 hns3_warn(hw, "surprise irq ector0_int_stats:0x%x cmdq_src_val:0x%x",
167                           vector0_int_stats, cmdq_src_val);
168         val = vector0_int_stats;
169         ret = HNS3_VECTOR0_EVENT_OTHER;
170 out:
171
172         if (clearval)
173                 *clearval = val;
174         return ret;
175 }
176
177 static void
178 hns3_clear_event_cause(struct hns3_hw *hw, uint32_t event_type, uint32_t regclr)
179 {
180         if (event_type == HNS3_VECTOR0_EVENT_RST)
181                 hns3_write_dev(hw, HNS3_MISC_RESET_STS_REG, regclr);
182         else if (event_type == HNS3_VECTOR0_EVENT_MBX)
183                 hns3_write_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG, regclr);
184 }
185
186 static void
187 hns3_clear_all_event_cause(struct hns3_hw *hw)
188 {
189         uint32_t vector0_int_stats;
190         vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
191
192         if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats)
193                 hns3_warn(hw, "Probe during IMP reset interrupt");
194
195         if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats)
196                 hns3_warn(hw, "Probe during Global reset interrupt");
197
198         hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_RST,
199                                BIT(HNS3_VECTOR0_IMPRESET_INT_B) |
200                                BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) |
201                                BIT(HNS3_VECTOR0_CORERESET_INT_B));
202         hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_MBX, 0);
203 }
204
205 static void
206 hns3_interrupt_handler(void *param)
207 {
208         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
209         struct hns3_adapter *hns = dev->data->dev_private;
210         struct hns3_hw *hw = &hns->hw;
211         enum hns3_evt_cause event_cause;
212         uint32_t clearval = 0;
213
214         /* Disable interrupt */
215         hns3_pf_disable_irq0(hw);
216
217         event_cause = hns3_check_event_cause(hns, &clearval);
218
219         /* vector 0 interrupt is shared with reset and mailbox source events. */
220         if (event_cause == HNS3_VECTOR0_EVENT_ERR) {
221                 hns3_handle_msix_error(hns, &hw->reset.request);
222                 hns3_schedule_reset(hns);
223         } else if (event_cause == HNS3_VECTOR0_EVENT_RST)
224                 hns3_schedule_reset(hns);
225         else if (event_cause == HNS3_VECTOR0_EVENT_MBX)
226                 hns3_dev_handle_mbx_msg(hw);
227         else
228                 hns3_err(hw, "Received unknown event");
229
230         hns3_clear_event_cause(hw, event_cause, clearval);
231         /* Enable interrupt if it is not cause by reset */
232         hns3_pf_enable_irq0(hw);
233 }
234
235 static int
236 hns3_set_port_vlan_filter(struct hns3_adapter *hns, uint16_t vlan_id, int on)
237 {
238 #define HNS3_VLAN_ID_OFFSET_STEP        160
239 #define HNS3_VLAN_BYTE_SIZE             8
240         struct hns3_vlan_filter_pf_cfg_cmd *req;
241         struct hns3_hw *hw = &hns->hw;
242         uint8_t vlan_offset_byte_val;
243         struct hns3_cmd_desc desc;
244         uint8_t vlan_offset_byte;
245         uint8_t vlan_offset_base;
246         int ret;
247
248         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_PF_CFG, false);
249
250         vlan_offset_base = vlan_id / HNS3_VLAN_ID_OFFSET_STEP;
251         vlan_offset_byte = (vlan_id % HNS3_VLAN_ID_OFFSET_STEP) /
252                            HNS3_VLAN_BYTE_SIZE;
253         vlan_offset_byte_val = 1 << (vlan_id % HNS3_VLAN_BYTE_SIZE);
254
255         req = (struct hns3_vlan_filter_pf_cfg_cmd *)desc.data;
256         req->vlan_offset = vlan_offset_base;
257         req->vlan_cfg = on ? 0 : 1;
258         req->vlan_offset_bitmap[vlan_offset_byte] = vlan_offset_byte_val;
259
260         ret = hns3_cmd_send(hw, &desc, 1);
261         if (ret)
262                 hns3_err(hw, "set port vlan id failed, vlan_id =%u, ret =%d",
263                          vlan_id, ret);
264
265         return ret;
266 }
267
268 static void
269 hns3_rm_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id)
270 {
271         struct hns3_user_vlan_table *vlan_entry;
272         struct hns3_pf *pf = &hns->pf;
273
274         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
275                 if (vlan_entry->vlan_id == vlan_id) {
276                         if (vlan_entry->hd_tbl_status)
277                                 hns3_set_port_vlan_filter(hns, vlan_id, 0);
278                         LIST_REMOVE(vlan_entry, next);
279                         rte_free(vlan_entry);
280                         break;
281                 }
282         }
283 }
284
285 static void
286 hns3_add_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id,
287                         bool writen_to_tbl)
288 {
289         struct hns3_user_vlan_table *vlan_entry;
290         struct hns3_hw *hw = &hns->hw;
291         struct hns3_pf *pf = &hns->pf;
292
293         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
294                 if (vlan_entry->vlan_id == vlan_id)
295                         return;
296         }
297
298         vlan_entry = rte_zmalloc("hns3_vlan_tbl", sizeof(*vlan_entry), 0);
299         if (vlan_entry == NULL) {
300                 hns3_err(hw, "Failed to malloc hns3 vlan table");
301                 return;
302         }
303
304         vlan_entry->hd_tbl_status = writen_to_tbl;
305         vlan_entry->vlan_id = vlan_id;
306
307         LIST_INSERT_HEAD(&pf->vlan_list, vlan_entry, next);
308 }
309
310 static int
311 hns3_restore_vlan_table(struct hns3_adapter *hns)
312 {
313         struct hns3_user_vlan_table *vlan_entry;
314         struct hns3_hw *hw = &hns->hw;
315         struct hns3_pf *pf = &hns->pf;
316         uint16_t vlan_id;
317         int ret = 0;
318
319         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_ENABLE)
320                 return hns3_vlan_pvid_configure(hns,
321                                                 hw->port_base_vlan_cfg.pvid, 1);
322
323         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
324                 if (vlan_entry->hd_tbl_status) {
325                         vlan_id = vlan_entry->vlan_id;
326                         ret = hns3_set_port_vlan_filter(hns, vlan_id, 1);
327                         if (ret)
328                                 break;
329                 }
330         }
331
332         return ret;
333 }
334
335 static int
336 hns3_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on)
337 {
338         struct hns3_hw *hw = &hns->hw;
339         bool writen_to_tbl = false;
340         int ret = 0;
341
342         /*
343          * When vlan filter is enabled, hardware regards vlan id 0 as the entry
344          * for normal packet, deleting vlan id 0 is not allowed.
345          */
346         if (on == 0 && vlan_id == 0)
347                 return 0;
348
349         /*
350          * When port base vlan enabled, we use port base vlan as the vlan
351          * filter condition. In this case, we don't update vlan filter table
352          * when user add new vlan or remove exist vlan, just update the
353          * vlan list. The vlan id in vlan list will be writen in vlan filter
354          * table until port base vlan disabled
355          */
356         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
357                 ret = hns3_set_port_vlan_filter(hns, vlan_id, on);
358                 writen_to_tbl = true;
359         }
360
361         if (ret == 0 && vlan_id) {
362                 if (on)
363                         hns3_add_dev_vlan_table(hns, vlan_id, writen_to_tbl);
364                 else
365                         hns3_rm_dev_vlan_table(hns, vlan_id);
366         }
367         return ret;
368 }
369
370 static int
371 hns3_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
372 {
373         struct hns3_adapter *hns = dev->data->dev_private;
374         struct hns3_hw *hw = &hns->hw;
375         int ret;
376
377         rte_spinlock_lock(&hw->lock);
378         ret = hns3_vlan_filter_configure(hns, vlan_id, on);
379         rte_spinlock_unlock(&hw->lock);
380         return ret;
381 }
382
383 static int
384 hns3_vlan_tpid_configure(struct hns3_adapter *hns, enum rte_vlan_type vlan_type,
385                          uint16_t tpid)
386 {
387         struct hns3_rx_vlan_type_cfg_cmd *rx_req;
388         struct hns3_tx_vlan_type_cfg_cmd *tx_req;
389         struct hns3_hw *hw = &hns->hw;
390         struct hns3_cmd_desc desc;
391         int ret;
392
393         if ((vlan_type != ETH_VLAN_TYPE_INNER &&
394              vlan_type != ETH_VLAN_TYPE_OUTER)) {
395                 hns3_err(hw, "Unsupported vlan type, vlan_type =%d", vlan_type);
396                 return -EINVAL;
397         }
398
399         if (tpid != RTE_ETHER_TYPE_VLAN) {
400                 hns3_err(hw, "Unsupported vlan tpid, vlan_type =%d", vlan_type);
401                 return -EINVAL;
402         }
403
404         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_TYPE_ID, false);
405         rx_req = (struct hns3_rx_vlan_type_cfg_cmd *)desc.data;
406
407         if (vlan_type == ETH_VLAN_TYPE_OUTER) {
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         } else if (vlan_type == ETH_VLAN_TYPE_INNER) {
411                 rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
412                 rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
413                 rx_req->in_fst_vlan_type = rte_cpu_to_le_16(tpid);
414                 rx_req->in_sec_vlan_type = rte_cpu_to_le_16(tpid);
415         }
416
417         ret = hns3_cmd_send(hw, &desc, 1);
418         if (ret) {
419                 hns3_err(hw, "Send rxvlan protocol type command fail, ret =%d",
420                          ret);
421                 return ret;
422         }
423
424         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_INSERT, false);
425
426         tx_req = (struct hns3_tx_vlan_type_cfg_cmd *)desc.data;
427         tx_req->ot_vlan_type = rte_cpu_to_le_16(tpid);
428         tx_req->in_vlan_type = rte_cpu_to_le_16(tpid);
429
430         ret = hns3_cmd_send(hw, &desc, 1);
431         if (ret)
432                 hns3_err(hw, "Send txvlan protocol type command fail, ret =%d",
433                          ret);
434         return ret;
435 }
436
437 static int
438 hns3_vlan_tpid_set(struct rte_eth_dev *dev, enum rte_vlan_type vlan_type,
439                    uint16_t tpid)
440 {
441         struct hns3_adapter *hns = dev->data->dev_private;
442         struct hns3_hw *hw = &hns->hw;
443         int ret;
444
445         rte_spinlock_lock(&hw->lock);
446         ret = hns3_vlan_tpid_configure(hns, vlan_type, tpid);
447         rte_spinlock_unlock(&hw->lock);
448         return ret;
449 }
450
451 static int
452 hns3_set_vlan_rx_offload_cfg(struct hns3_adapter *hns,
453                              struct hns3_rx_vtag_cfg *vcfg)
454 {
455         struct hns3_vport_vtag_rx_cfg_cmd *req;
456         struct hns3_hw *hw = &hns->hw;
457         struct hns3_cmd_desc desc;
458         uint16_t vport_id;
459         uint8_t bitmap;
460         int ret;
461
462         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_RX_CFG, false);
463
464         req = (struct hns3_vport_vtag_rx_cfg_cmd *)desc.data;
465         hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG1_EN_B,
466                      vcfg->strip_tag1_en ? 1 : 0);
467         hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG2_EN_B,
468                      vcfg->strip_tag2_en ? 1 : 0);
469         hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG1_EN_B,
470                      vcfg->vlan1_vlan_prionly ? 1 : 0);
471         hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG2_EN_B,
472                      vcfg->vlan2_vlan_prionly ? 1 : 0);
473
474         /*
475          * In current version VF is not supported when PF is driven by DPDK
476          * driver, just need to configure parameters for PF vport.
477          */
478         vport_id = HNS3_PF_FUNC_ID;
479         req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
480         bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
481         req->vf_bitmap[req->vf_offset] = bitmap;
482
483         ret = hns3_cmd_send(hw, &desc, 1);
484         if (ret)
485                 hns3_err(hw, "Send port rxvlan cfg command fail, ret =%d", ret);
486         return ret;
487 }
488
489 static void
490 hns3_update_rx_offload_cfg(struct hns3_adapter *hns,
491                            struct hns3_rx_vtag_cfg *vcfg)
492 {
493         struct hns3_pf *pf = &hns->pf;
494         memcpy(&pf->vtag_config.rx_vcfg, vcfg, sizeof(pf->vtag_config.rx_vcfg));
495 }
496
497 static void
498 hns3_update_tx_offload_cfg(struct hns3_adapter *hns,
499                            struct hns3_tx_vtag_cfg *vcfg)
500 {
501         struct hns3_pf *pf = &hns->pf;
502         memcpy(&pf->vtag_config.tx_vcfg, vcfg, sizeof(pf->vtag_config.tx_vcfg));
503 }
504
505 static int
506 hns3_en_hw_strip_rxvtag(struct hns3_adapter *hns, bool enable)
507 {
508         struct hns3_rx_vtag_cfg rxvlan_cfg;
509         struct hns3_hw *hw = &hns->hw;
510         int ret;
511
512         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
513                 rxvlan_cfg.strip_tag1_en = false;
514                 rxvlan_cfg.strip_tag2_en = enable;
515         } else {
516                 rxvlan_cfg.strip_tag1_en = enable;
517                 rxvlan_cfg.strip_tag2_en = true;
518         }
519
520         rxvlan_cfg.vlan1_vlan_prionly = false;
521         rxvlan_cfg.vlan2_vlan_prionly = false;
522         rxvlan_cfg.rx_vlan_offload_en = enable;
523
524         ret = hns3_set_vlan_rx_offload_cfg(hns, &rxvlan_cfg);
525         if (ret) {
526                 hns3_err(hw, "enable strip rx vtag failed, ret =%d", ret);
527                 return ret;
528         }
529
530         hns3_update_rx_offload_cfg(hns, &rxvlan_cfg);
531
532         return ret;
533 }
534
535 static int
536 hns3_set_vlan_filter_ctrl(struct hns3_hw *hw, uint8_t vlan_type,
537                           uint8_t fe_type, bool filter_en, uint8_t vf_id)
538 {
539         struct hns3_vlan_filter_ctrl_cmd *req;
540         struct hns3_cmd_desc desc;
541         int ret;
542
543         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_CTRL, false);
544
545         req = (struct hns3_vlan_filter_ctrl_cmd *)desc.data;
546         req->vlan_type = vlan_type;
547         req->vlan_fe = filter_en ? fe_type : 0;
548         req->vf_id = vf_id;
549
550         ret = hns3_cmd_send(hw, &desc, 1);
551         if (ret)
552                 hns3_err(hw, "set vlan filter fail, ret =%d", ret);
553
554         return ret;
555 }
556
557 static int
558 hns3_vlan_filter_init(struct hns3_adapter *hns)
559 {
560         struct hns3_hw *hw = &hns->hw;
561         int ret;
562
563         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_VF,
564                                         HNS3_FILTER_FE_EGRESS, false,
565                                         HNS3_PF_FUNC_ID);
566         if (ret) {
567                 hns3_err(hw, "failed to init vf vlan filter, ret = %d", ret);
568                 return ret;
569         }
570
571         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
572                                         HNS3_FILTER_FE_INGRESS, false,
573                                         HNS3_PF_FUNC_ID);
574         if (ret)
575                 hns3_err(hw, "failed to init port vlan filter, ret = %d", ret);
576
577         return ret;
578 }
579
580 static int
581 hns3_enable_vlan_filter(struct hns3_adapter *hns, bool enable)
582 {
583         struct hns3_hw *hw = &hns->hw;
584         int ret;
585
586         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
587                                         HNS3_FILTER_FE_INGRESS, enable,
588                                         HNS3_PF_FUNC_ID);
589         if (ret)
590                 hns3_err(hw, "failed to %s port vlan filter, ret = %d",
591                          enable ? "enable" : "disable", ret);
592
593         return ret;
594 }
595
596 static int
597 hns3_vlan_offload_set(struct rte_eth_dev *dev, int mask)
598 {
599         struct hns3_adapter *hns = dev->data->dev_private;
600         struct hns3_hw *hw = &hns->hw;
601         struct rte_eth_rxmode *rxmode;
602         unsigned int tmp_mask;
603         bool enable;
604         int ret = 0;
605
606         rte_spinlock_lock(&hw->lock);
607         rxmode = &dev->data->dev_conf.rxmode;
608         tmp_mask = (unsigned int)mask;
609         if (tmp_mask & ETH_VLAN_FILTER_MASK) {
610                 /* ignore vlan filter configuration during promiscuous mode */
611                 if (!dev->data->promiscuous) {
612                         /* Enable or disable VLAN filter */
613                         enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER ?
614                                  true : false;
615
616                         ret = hns3_enable_vlan_filter(hns, enable);
617                         if (ret) {
618                                 rte_spinlock_unlock(&hw->lock);
619                                 hns3_err(hw, "failed to %s rx filter, ret = %d",
620                                          enable ? "enable" : "disable", ret);
621                                 return ret;
622                         }
623                 }
624         }
625
626         if (tmp_mask & ETH_VLAN_STRIP_MASK) {
627                 /* Enable or disable VLAN stripping */
628                 enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP ?
629                     true : false;
630
631                 ret = hns3_en_hw_strip_rxvtag(hns, enable);
632                 if (ret) {
633                         rte_spinlock_unlock(&hw->lock);
634                         hns3_err(hw, "failed to %s rx strip, ret = %d",
635                                  enable ? "enable" : "disable", ret);
636                         return ret;
637                 }
638         }
639
640         rte_spinlock_unlock(&hw->lock);
641
642         return ret;
643 }
644
645 static int
646 hns3_set_vlan_tx_offload_cfg(struct hns3_adapter *hns,
647                              struct hns3_tx_vtag_cfg *vcfg)
648 {
649         struct hns3_vport_vtag_tx_cfg_cmd *req;
650         struct hns3_cmd_desc desc;
651         struct hns3_hw *hw = &hns->hw;
652         uint16_t vport_id;
653         uint8_t bitmap;
654         int ret;
655
656         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_TX_CFG, false);
657
658         req = (struct hns3_vport_vtag_tx_cfg_cmd *)desc.data;
659         req->def_vlan_tag1 = vcfg->default_tag1;
660         req->def_vlan_tag2 = vcfg->default_tag2;
661         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG1_B,
662                      vcfg->accept_tag1 ? 1 : 0);
663         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG1_B,
664                      vcfg->accept_untag1 ? 1 : 0);
665         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG2_B,
666                      vcfg->accept_tag2 ? 1 : 0);
667         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG2_B,
668                      vcfg->accept_untag2 ? 1 : 0);
669         hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG1_EN_B,
670                      vcfg->insert_tag1_en ? 1 : 0);
671         hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG2_EN_B,
672                      vcfg->insert_tag2_en ? 1 : 0);
673         hns3_set_bit(req->vport_vlan_cfg, HNS3_CFG_NIC_ROCE_SEL_B, 0);
674
675         /*
676          * In current version VF is not supported when PF is driven by DPDK
677          * driver, just need to configure parameters for PF vport.
678          */
679         vport_id = HNS3_PF_FUNC_ID;
680         req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
681         bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
682         req->vf_bitmap[req->vf_offset] = bitmap;
683
684         ret = hns3_cmd_send(hw, &desc, 1);
685         if (ret)
686                 hns3_err(hw, "Send port txvlan cfg command fail, ret =%d", ret);
687
688         return ret;
689 }
690
691 static int
692 hns3_vlan_txvlan_cfg(struct hns3_adapter *hns, uint16_t port_base_vlan_state,
693                      uint16_t pvid)
694 {
695         struct hns3_hw *hw = &hns->hw;
696         struct hns3_tx_vtag_cfg txvlan_cfg;
697         int ret;
698
699         if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_DISABLE) {
700                 txvlan_cfg.accept_tag1 = true;
701                 txvlan_cfg.insert_tag1_en = false;
702                 txvlan_cfg.default_tag1 = 0;
703         } else {
704                 txvlan_cfg.accept_tag1 = false;
705                 txvlan_cfg.insert_tag1_en = true;
706                 txvlan_cfg.default_tag1 = pvid;
707         }
708
709         txvlan_cfg.accept_untag1 = true;
710         txvlan_cfg.accept_tag2 = true;
711         txvlan_cfg.accept_untag2 = true;
712         txvlan_cfg.insert_tag2_en = false;
713         txvlan_cfg.default_tag2 = 0;
714
715         ret = hns3_set_vlan_tx_offload_cfg(hns, &txvlan_cfg);
716         if (ret) {
717                 hns3_err(hw, "pf vlan set pvid failed, pvid =%u ,ret =%d", pvid,
718                          ret);
719                 return ret;
720         }
721
722         hns3_update_tx_offload_cfg(hns, &txvlan_cfg);
723         return ret;
724 }
725
726 static void
727 hns3_store_port_base_vlan_info(struct hns3_adapter *hns, uint16_t pvid, int on)
728 {
729         struct hns3_hw *hw = &hns->hw;
730
731         hw->port_base_vlan_cfg.state = on ?
732             HNS3_PORT_BASE_VLAN_ENABLE : HNS3_PORT_BASE_VLAN_DISABLE;
733
734         hw->port_base_vlan_cfg.pvid = pvid;
735 }
736
737 static void
738 hns3_rm_all_vlan_table(struct hns3_adapter *hns, bool is_del_list)
739 {
740         struct hns3_user_vlan_table *vlan_entry;
741         struct hns3_pf *pf = &hns->pf;
742
743         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
744                 if (vlan_entry->hd_tbl_status)
745                         hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 0);
746
747                 vlan_entry->hd_tbl_status = false;
748         }
749
750         if (is_del_list) {
751                 vlan_entry = LIST_FIRST(&pf->vlan_list);
752                 while (vlan_entry) {
753                         LIST_REMOVE(vlan_entry, next);
754                         rte_free(vlan_entry);
755                         vlan_entry = LIST_FIRST(&pf->vlan_list);
756                 }
757         }
758 }
759
760 static void
761 hns3_add_all_vlan_table(struct hns3_adapter *hns)
762 {
763         struct hns3_user_vlan_table *vlan_entry;
764         struct hns3_pf *pf = &hns->pf;
765
766         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
767                 if (!vlan_entry->hd_tbl_status)
768                         hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 1);
769
770                 vlan_entry->hd_tbl_status = true;
771         }
772 }
773
774 static void
775 hns3_remove_all_vlan_table(struct hns3_adapter *hns)
776 {
777         struct hns3_hw *hw = &hns->hw;
778         int ret;
779
780         hns3_rm_all_vlan_table(hns, true);
781         if (hw->port_base_vlan_cfg.pvid != HNS3_INVLID_PVID) {
782                 ret = hns3_set_port_vlan_filter(hns,
783                                                 hw->port_base_vlan_cfg.pvid, 0);
784                 if (ret) {
785                         hns3_err(hw, "Failed to remove all vlan table, ret =%d",
786                                  ret);
787                         return;
788                 }
789         }
790 }
791
792 static int
793 hns3_update_vlan_filter_entries(struct hns3_adapter *hns,
794                                 uint16_t port_base_vlan_state,
795                                 uint16_t new_pvid, uint16_t old_pvid)
796 {
797         struct hns3_hw *hw = &hns->hw;
798         int ret = 0;
799
800         if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_ENABLE) {
801                 if (old_pvid != HNS3_INVLID_PVID && old_pvid != 0) {
802                         ret = hns3_set_port_vlan_filter(hns, old_pvid, 0);
803                         if (ret) {
804                                 hns3_err(hw,
805                                          "Failed to clear clear old pvid filter, ret =%d",
806                                          ret);
807                                 return ret;
808                         }
809                 }
810
811                 hns3_rm_all_vlan_table(hns, false);
812                 return hns3_set_port_vlan_filter(hns, new_pvid, 1);
813         }
814
815         if (new_pvid != 0) {
816                 ret = hns3_set_port_vlan_filter(hns, new_pvid, 0);
817                 if (ret) {
818                         hns3_err(hw, "Failed to set port vlan filter, ret =%d",
819                                  ret);
820                         return ret;
821                 }
822         }
823
824         if (new_pvid == hw->port_base_vlan_cfg.pvid)
825                 hns3_add_all_vlan_table(hns);
826
827         return ret;
828 }
829
830 static int
831 hns3_en_pvid_strip(struct hns3_adapter *hns, int on)
832 {
833         struct hns3_rx_vtag_cfg *old_cfg = &hns->pf.vtag_config.rx_vcfg;
834         struct hns3_rx_vtag_cfg rx_vlan_cfg;
835         bool rx_strip_en;
836         int ret;
837
838         rx_strip_en = old_cfg->rx_vlan_offload_en ? true : false;
839         if (on) {
840                 rx_vlan_cfg.strip_tag1_en = rx_strip_en;
841                 rx_vlan_cfg.strip_tag2_en = true;
842         } else {
843                 rx_vlan_cfg.strip_tag1_en = false;
844                 rx_vlan_cfg.strip_tag2_en = rx_strip_en;
845         }
846         rx_vlan_cfg.vlan1_vlan_prionly = false;
847         rx_vlan_cfg.vlan2_vlan_prionly = false;
848         rx_vlan_cfg.rx_vlan_offload_en = old_cfg->rx_vlan_offload_en;
849
850         ret = hns3_set_vlan_rx_offload_cfg(hns, &rx_vlan_cfg);
851         if (ret)
852                 return ret;
853
854         hns3_update_rx_offload_cfg(hns, &rx_vlan_cfg);
855         return ret;
856 }
857
858 static int
859 hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid, int on)
860 {
861         struct hns3_hw *hw = &hns->hw;
862         uint16_t port_base_vlan_state;
863         uint16_t old_pvid;
864         int ret;
865
866         if (on == 0 && pvid != hw->port_base_vlan_cfg.pvid) {
867                 if (hw->port_base_vlan_cfg.pvid != HNS3_INVLID_PVID)
868                         hns3_warn(hw, "Invalid operation! As current pvid set "
869                                   "is %u, disable pvid %u is invalid",
870                                   hw->port_base_vlan_cfg.pvid, pvid);
871                 return 0;
872         }
873
874         port_base_vlan_state = on ? HNS3_PORT_BASE_VLAN_ENABLE :
875                                     HNS3_PORT_BASE_VLAN_DISABLE;
876         ret = hns3_vlan_txvlan_cfg(hns, port_base_vlan_state, pvid);
877         if (ret) {
878                 hns3_err(hw, "failed to config tx vlan for pvid, ret = %d",
879                          ret);
880                 return ret;
881         }
882
883         ret = hns3_en_pvid_strip(hns, on);
884         if (ret) {
885                 hns3_err(hw, "failed to config rx vlan strip for pvid, "
886                          "ret = %d", ret);
887                 return ret;
888         }
889
890         if (pvid == HNS3_INVLID_PVID)
891                 goto out;
892         old_pvid = hw->port_base_vlan_cfg.pvid;
893         ret = hns3_update_vlan_filter_entries(hns, port_base_vlan_state, pvid,
894                                               old_pvid);
895         if (ret) {
896                 hns3_err(hw, "Failed to update vlan filter entries, ret =%d",
897                          ret);
898                 return ret;
899         }
900
901 out:
902         hns3_store_port_base_vlan_info(hns, pvid, on);
903         return ret;
904 }
905
906 static int
907 hns3_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, int on)
908 {
909         struct hns3_adapter *hns = dev->data->dev_private;
910         struct hns3_hw *hw = &hns->hw;
911         int ret;
912
913         if (pvid > RTE_ETHER_MAX_VLAN_ID) {
914                 hns3_err(hw, "Invalid vlan_id = %u > %d", pvid,
915                          RTE_ETHER_MAX_VLAN_ID);
916                 return -EINVAL;
917         }
918
919         rte_spinlock_lock(&hw->lock);
920         ret = hns3_vlan_pvid_configure(hns, pvid, on);
921         rte_spinlock_unlock(&hw->lock);
922         return ret;
923 }
924
925 static void
926 init_port_base_vlan_info(struct hns3_hw *hw)
927 {
928         hw->port_base_vlan_cfg.state = HNS3_PORT_BASE_VLAN_DISABLE;
929         hw->port_base_vlan_cfg.pvid = HNS3_INVLID_PVID;
930 }
931
932 static int
933 hns3_default_vlan_config(struct hns3_adapter *hns)
934 {
935         struct hns3_hw *hw = &hns->hw;
936         int ret;
937
938         ret = hns3_set_port_vlan_filter(hns, 0, 1);
939         if (ret)
940                 hns3_err(hw, "default vlan 0 config failed, ret =%d", ret);
941         return ret;
942 }
943
944 static int
945 hns3_init_vlan_config(struct hns3_adapter *hns)
946 {
947         struct hns3_hw *hw = &hns->hw;
948         int ret;
949
950         /*
951          * This function can be called in the initialization and reset process,
952          * when in reset process, it means that hardware had been reseted
953          * successfully and we need to restore the hardware configuration to
954          * ensure that the hardware configuration remains unchanged before and
955          * after reset.
956          */
957         if (rte_atomic16_read(&hw->reset.resetting) == 0)
958                 init_port_base_vlan_info(hw);
959
960         ret = hns3_vlan_filter_init(hns);
961         if (ret) {
962                 hns3_err(hw, "vlan init fail in pf, ret =%d", ret);
963                 return ret;
964         }
965
966         ret = hns3_vlan_tpid_configure(hns, ETH_VLAN_TYPE_INNER,
967                                        RTE_ETHER_TYPE_VLAN);
968         if (ret) {
969                 hns3_err(hw, "tpid set fail in pf, ret =%d", ret);
970                 return ret;
971         }
972
973         /*
974          * When in the reinit dev stage of the reset process, the following
975          * vlan-related configurations may differ from those at initialization,
976          * we will restore configurations to hardware in hns3_restore_vlan_table
977          * and hns3_restore_vlan_conf later.
978          */
979         if (rte_atomic16_read(&hw->reset.resetting) == 0) {
980                 ret = hns3_vlan_pvid_configure(hns, HNS3_INVLID_PVID, 0);
981                 if (ret) {
982                         hns3_err(hw, "pvid set fail in pf, ret =%d", ret);
983                         return ret;
984                 }
985
986                 ret = hns3_en_hw_strip_rxvtag(hns, false);
987                 if (ret) {
988                         hns3_err(hw, "rx strip configure fail in pf, ret =%d",
989                                  ret);
990                         return ret;
991                 }
992         }
993
994         return hns3_default_vlan_config(hns);
995 }
996
997 static int
998 hns3_restore_vlan_conf(struct hns3_adapter *hns)
999 {
1000         struct hns3_pf *pf = &hns->pf;
1001         struct hns3_hw *hw = &hns->hw;
1002         uint64_t offloads;
1003         bool enable;
1004         int ret;
1005
1006         if (!hw->data->promiscuous) {
1007                 /* restore vlan filter states */
1008                 offloads = hw->data->dev_conf.rxmode.offloads;
1009                 enable = offloads & DEV_RX_OFFLOAD_VLAN_FILTER ? true : false;
1010                 ret = hns3_enable_vlan_filter(hns, enable);
1011                 if (ret) {
1012                         hns3_err(hw, "failed to restore vlan rx filter conf, "
1013                                  "ret = %d", ret);
1014                         return ret;
1015                 }
1016         }
1017
1018         ret = hns3_set_vlan_rx_offload_cfg(hns, &pf->vtag_config.rx_vcfg);
1019         if (ret) {
1020                 hns3_err(hw, "failed to restore vlan rx conf, ret = %d", ret);
1021                 return ret;
1022         }
1023
1024         ret = hns3_set_vlan_tx_offload_cfg(hns, &pf->vtag_config.tx_vcfg);
1025         if (ret)
1026                 hns3_err(hw, "failed to restore vlan tx conf, ret = %d", ret);
1027
1028         return ret;
1029 }
1030
1031 static int
1032 hns3_dev_configure_vlan(struct rte_eth_dev *dev)
1033 {
1034         struct hns3_adapter *hns = dev->data->dev_private;
1035         struct rte_eth_dev_data *data = dev->data;
1036         struct rte_eth_txmode *txmode;
1037         struct hns3_hw *hw = &hns->hw;
1038         int mask;
1039         int ret;
1040
1041         txmode = &data->dev_conf.txmode;
1042         if (txmode->hw_vlan_reject_tagged || txmode->hw_vlan_reject_untagged)
1043                 hns3_warn(hw,
1044                           "hw_vlan_reject_tagged or hw_vlan_reject_untagged "
1045                           "configuration is not supported! Ignore these two "
1046                           "parameters: hw_vlan_reject_tagged(%d), "
1047                           "hw_vlan_reject_untagged(%d)",
1048                           txmode->hw_vlan_reject_tagged,
1049                           txmode->hw_vlan_reject_untagged);
1050
1051         /* Apply vlan offload setting */
1052         mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK;
1053         ret = hns3_vlan_offload_set(dev, mask);
1054         if (ret) {
1055                 hns3_err(hw, "dev config rx vlan offload failed, ret = %d",
1056                          ret);
1057                 return ret;
1058         }
1059
1060         /*
1061          * If pvid config is not set in rte_eth_conf, driver needn't to set
1062          * VLAN pvid related configuration to hardware.
1063          */
1064         if (txmode->pvid == 0 && txmode->hw_vlan_insert_pvid == 0)
1065                 return 0;
1066
1067         /* Apply pvid setting */
1068         ret = hns3_vlan_pvid_set(dev, txmode->pvid,
1069                                  txmode->hw_vlan_insert_pvid);
1070         if (ret)
1071                 hns3_err(hw, "dev config vlan pvid(%d) failed, ret = %d",
1072                          txmode->pvid, ret);
1073
1074         return ret;
1075 }
1076
1077 static int
1078 hns3_config_tso(struct hns3_hw *hw, unsigned int tso_mss_min,
1079                 unsigned int tso_mss_max)
1080 {
1081         struct hns3_cfg_tso_status_cmd *req;
1082         struct hns3_cmd_desc desc;
1083         uint16_t tso_mss;
1084
1085         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TSO_GENERIC_CONFIG, false);
1086
1087         req = (struct hns3_cfg_tso_status_cmd *)desc.data;
1088
1089         tso_mss = 0;
1090         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1091                        tso_mss_min);
1092         req->tso_mss_min = rte_cpu_to_le_16(tso_mss);
1093
1094         tso_mss = 0;
1095         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1096                        tso_mss_max);
1097         req->tso_mss_max = rte_cpu_to_le_16(tso_mss);
1098
1099         return hns3_cmd_send(hw, &desc, 1);
1100 }
1101
1102 int
1103 hns3_config_gro(struct hns3_hw *hw, bool en)
1104 {
1105         struct hns3_cfg_gro_status_cmd *req;
1106         struct hns3_cmd_desc desc;
1107         int ret;
1108
1109         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_GRO_GENERIC_CONFIG, false);
1110         req = (struct hns3_cfg_gro_status_cmd *)desc.data;
1111
1112         req->gro_en = rte_cpu_to_le_16(en ? 1 : 0);
1113
1114         ret = hns3_cmd_send(hw, &desc, 1);
1115         if (ret)
1116                 hns3_err(hw, "GRO hardware config cmd failed, ret = %d", ret);
1117
1118         return ret;
1119 }
1120
1121 static int
1122 hns3_set_umv_space(struct hns3_hw *hw, uint16_t space_size,
1123                    uint16_t *allocated_size, bool is_alloc)
1124 {
1125         struct hns3_umv_spc_alc_cmd *req;
1126         struct hns3_cmd_desc desc;
1127         int ret;
1128
1129         req = (struct hns3_umv_spc_alc_cmd *)desc.data;
1130         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ALLOCATE, false);
1131         hns3_set_bit(req->allocate, HNS3_UMV_SPC_ALC_B, is_alloc ? 0 : 1);
1132         req->space_size = rte_cpu_to_le_32(space_size);
1133
1134         ret = hns3_cmd_send(hw, &desc, 1);
1135         if (ret) {
1136                 PMD_INIT_LOG(ERR, "%s umv space failed for cmd_send, ret =%d",
1137                              is_alloc ? "allocate" : "free", ret);
1138                 return ret;
1139         }
1140
1141         if (is_alloc && allocated_size)
1142                 *allocated_size = rte_le_to_cpu_32(desc.data[1]);
1143
1144         return 0;
1145 }
1146
1147 static int
1148 hns3_init_umv_space(struct hns3_hw *hw)
1149 {
1150         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1151         struct hns3_pf *pf = &hns->pf;
1152         uint16_t allocated_size = 0;
1153         int ret;
1154
1155         ret = hns3_set_umv_space(hw, pf->wanted_umv_size, &allocated_size,
1156                                  true);
1157         if (ret)
1158                 return ret;
1159
1160         if (allocated_size < pf->wanted_umv_size)
1161                 PMD_INIT_LOG(WARNING, "Alloc umv space failed, want %u, get %u",
1162                              pf->wanted_umv_size, allocated_size);
1163
1164         pf->max_umv_size = (!!allocated_size) ? allocated_size :
1165                                                 pf->wanted_umv_size;
1166         pf->used_umv_size = 0;
1167         return 0;
1168 }
1169
1170 static int
1171 hns3_uninit_umv_space(struct hns3_hw *hw)
1172 {
1173         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1174         struct hns3_pf *pf = &hns->pf;
1175         int ret;
1176
1177         if (pf->max_umv_size == 0)
1178                 return 0;
1179
1180         ret = hns3_set_umv_space(hw, pf->max_umv_size, NULL, false);
1181         if (ret)
1182                 return ret;
1183
1184         pf->max_umv_size = 0;
1185
1186         return 0;
1187 }
1188
1189 static bool
1190 hns3_is_umv_space_full(struct hns3_hw *hw)
1191 {
1192         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1193         struct hns3_pf *pf = &hns->pf;
1194         bool is_full;
1195
1196         is_full = (pf->used_umv_size >= pf->max_umv_size);
1197
1198         return is_full;
1199 }
1200
1201 static void
1202 hns3_update_umv_space(struct hns3_hw *hw, bool is_free)
1203 {
1204         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1205         struct hns3_pf *pf = &hns->pf;
1206
1207         if (is_free) {
1208                 if (pf->used_umv_size > 0)
1209                         pf->used_umv_size--;
1210         } else
1211                 pf->used_umv_size++;
1212 }
1213
1214 static void
1215 hns3_prepare_mac_addr(struct hns3_mac_vlan_tbl_entry_cmd *new_req,
1216                       const uint8_t *addr, bool is_mc)
1217 {
1218         const unsigned char *mac_addr = addr;
1219         uint32_t high_val = ((uint32_t)mac_addr[3] << 24) |
1220                             ((uint32_t)mac_addr[2] << 16) |
1221                             ((uint32_t)mac_addr[1] << 8) |
1222                             (uint32_t)mac_addr[0];
1223         uint32_t low_val = ((uint32_t)mac_addr[5] << 8) | (uint32_t)mac_addr[4];
1224
1225         hns3_set_bit(new_req->flags, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1226         if (is_mc) {
1227                 hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1228                 hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT1_EN_B, 1);
1229                 hns3_set_bit(new_req->mc_mac_en, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1230         }
1231
1232         new_req->mac_addr_hi32 = rte_cpu_to_le_32(high_val);
1233         new_req->mac_addr_lo16 = rte_cpu_to_le_16(low_val & 0xffff);
1234 }
1235
1236 static int
1237 hns3_get_mac_vlan_cmd_status(struct hns3_hw *hw, uint16_t cmdq_resp,
1238                              uint8_t resp_code,
1239                              enum hns3_mac_vlan_tbl_opcode op)
1240 {
1241         if (cmdq_resp) {
1242                 hns3_err(hw, "cmdq execute failed for get_mac_vlan_cmd_status,status=%u",
1243                          cmdq_resp);
1244                 return -EIO;
1245         }
1246
1247         if (op == HNS3_MAC_VLAN_ADD) {
1248                 if (resp_code == 0 || resp_code == 1) {
1249                         return 0;
1250                 } else if (resp_code == HNS3_ADD_UC_OVERFLOW) {
1251                         hns3_err(hw, "add mac addr failed for uc_overflow");
1252                         return -ENOSPC;
1253                 } else if (resp_code == HNS3_ADD_MC_OVERFLOW) {
1254                         hns3_err(hw, "add mac addr failed for mc_overflow");
1255                         return -ENOSPC;
1256                 }
1257
1258                 hns3_err(hw, "add mac addr failed for undefined, code=%u",
1259                          resp_code);
1260                 return -EIO;
1261         } else if (op == HNS3_MAC_VLAN_REMOVE) {
1262                 if (resp_code == 0) {
1263                         return 0;
1264                 } else if (resp_code == 1) {
1265                         hns3_dbg(hw, "remove mac addr failed for miss");
1266                         return -ENOENT;
1267                 }
1268
1269                 hns3_err(hw, "remove mac addr failed for undefined, code=%u",
1270                          resp_code);
1271                 return -EIO;
1272         } else if (op == HNS3_MAC_VLAN_LKUP) {
1273                 if (resp_code == 0) {
1274                         return 0;
1275                 } else if (resp_code == 1) {
1276                         hns3_dbg(hw, "lookup mac addr failed for miss");
1277                         return -ENOENT;
1278                 }
1279
1280                 hns3_err(hw, "lookup mac addr failed for undefined, code=%u",
1281                          resp_code);
1282                 return -EIO;
1283         }
1284
1285         hns3_err(hw, "unknown opcode for get_mac_vlan_cmd_status, opcode=%u",
1286                  op);
1287
1288         return -EINVAL;
1289 }
1290
1291 static int
1292 hns3_lookup_mac_vlan_tbl(struct hns3_hw *hw,
1293                          struct hns3_mac_vlan_tbl_entry_cmd *req,
1294                          struct hns3_cmd_desc *desc, bool is_mc)
1295 {
1296         uint8_t resp_code;
1297         uint16_t retval;
1298         int ret;
1299
1300         hns3_cmd_setup_basic_desc(&desc[0], HNS3_OPC_MAC_VLAN_ADD, true);
1301         if (is_mc) {
1302                 desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1303                 memcpy(desc[0].data, req,
1304                            sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1305                 hns3_cmd_setup_basic_desc(&desc[1], HNS3_OPC_MAC_VLAN_ADD,
1306                                           true);
1307                 desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1308                 hns3_cmd_setup_basic_desc(&desc[2], HNS3_OPC_MAC_VLAN_ADD,
1309                                           true);
1310                 ret = hns3_cmd_send(hw, desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1311         } else {
1312                 memcpy(desc[0].data, req,
1313                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1314                 ret = hns3_cmd_send(hw, desc, 1);
1315         }
1316         if (ret) {
1317                 hns3_err(hw, "lookup mac addr failed for cmd_send, ret =%d.",
1318                          ret);
1319                 return ret;
1320         }
1321         resp_code = (rte_le_to_cpu_32(desc[0].data[0]) >> 8) & 0xff;
1322         retval = rte_le_to_cpu_16(desc[0].retval);
1323
1324         return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1325                                             HNS3_MAC_VLAN_LKUP);
1326 }
1327
1328 static int
1329 hns3_add_mac_vlan_tbl(struct hns3_hw *hw,
1330                       struct hns3_mac_vlan_tbl_entry_cmd *req,
1331                       struct hns3_cmd_desc *mc_desc)
1332 {
1333         uint8_t resp_code;
1334         uint16_t retval;
1335         int cfg_status;
1336         int ret;
1337
1338         if (mc_desc == NULL) {
1339                 struct hns3_cmd_desc desc;
1340
1341                 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ADD, false);
1342                 memcpy(desc.data, req,
1343                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1344                 ret = hns3_cmd_send(hw, &desc, 1);
1345                 resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1346                 retval = rte_le_to_cpu_16(desc.retval);
1347
1348                 cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1349                                                           HNS3_MAC_VLAN_ADD);
1350         } else {
1351                 hns3_cmd_reuse_desc(&mc_desc[0], false);
1352                 mc_desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1353                 hns3_cmd_reuse_desc(&mc_desc[1], false);
1354                 mc_desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1355                 hns3_cmd_reuse_desc(&mc_desc[2], false);
1356                 mc_desc[2].flag &= rte_cpu_to_le_16(~HNS3_CMD_FLAG_NEXT);
1357                 memcpy(mc_desc[0].data, req,
1358                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1359                 mc_desc[0].retval = 0;
1360                 ret = hns3_cmd_send(hw, mc_desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1361                 resp_code = (rte_le_to_cpu_32(mc_desc[0].data[0]) >> 8) & 0xff;
1362                 retval = rte_le_to_cpu_16(mc_desc[0].retval);
1363
1364                 cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1365                                                           HNS3_MAC_VLAN_ADD);
1366         }
1367
1368         if (ret) {
1369                 hns3_err(hw, "add mac addr failed for cmd_send, ret =%d", ret);
1370                 return ret;
1371         }
1372
1373         return cfg_status;
1374 }
1375
1376 static int
1377 hns3_remove_mac_vlan_tbl(struct hns3_hw *hw,
1378                          struct hns3_mac_vlan_tbl_entry_cmd *req)
1379 {
1380         struct hns3_cmd_desc desc;
1381         uint8_t resp_code;
1382         uint16_t retval;
1383         int ret;
1384
1385         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_REMOVE, false);
1386
1387         memcpy(desc.data, req, sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1388
1389         ret = hns3_cmd_send(hw, &desc, 1);
1390         if (ret) {
1391                 hns3_err(hw, "del mac addr failed for cmd_send, ret =%d", ret);
1392                 return ret;
1393         }
1394         resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1395         retval = rte_le_to_cpu_16(desc.retval);
1396
1397         return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1398                                             HNS3_MAC_VLAN_REMOVE);
1399 }
1400
1401 static int
1402 hns3_add_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1403 {
1404         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1405         struct hns3_mac_vlan_tbl_entry_cmd req;
1406         struct hns3_pf *pf = &hns->pf;
1407         struct hns3_cmd_desc desc;
1408         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1409         uint16_t egress_port = 0;
1410         uint8_t vf_id;
1411         int ret;
1412
1413         /* check if mac addr is valid */
1414         if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1415                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1416                                       mac_addr);
1417                 hns3_err(hw, "Add unicast mac addr err! addr(%s) invalid",
1418                          mac_str);
1419                 return -EINVAL;
1420         }
1421
1422         memset(&req, 0, sizeof(req));
1423
1424         /*
1425          * In current version VF is not supported when PF is driven by DPDK
1426          * driver, just need to configure parameters for PF vport.
1427          */
1428         vf_id = HNS3_PF_FUNC_ID;
1429         hns3_set_field(egress_port, HNS3_MAC_EPORT_VFID_M,
1430                        HNS3_MAC_EPORT_VFID_S, vf_id);
1431
1432         req.egress_port = rte_cpu_to_le_16(egress_port);
1433
1434         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1435
1436         /*
1437          * Lookup the mac address in the mac_vlan table, and add
1438          * it if the entry is inexistent. Repeated unicast entry
1439          * is not allowed in the mac vlan table.
1440          */
1441         ret = hns3_lookup_mac_vlan_tbl(hw, &req, &desc, false);
1442         if (ret == -ENOENT) {
1443                 if (!hns3_is_umv_space_full(hw)) {
1444                         ret = hns3_add_mac_vlan_tbl(hw, &req, NULL);
1445                         if (!ret)
1446                                 hns3_update_umv_space(hw, false);
1447                         return ret;
1448                 }
1449
1450                 hns3_err(hw, "UC MAC table full(%u)", pf->used_umv_size);
1451
1452                 return -ENOSPC;
1453         }
1454
1455         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr);
1456
1457         /* check if we just hit the duplicate */
1458         if (ret == 0) {
1459                 hns3_dbg(hw, "mac addr(%s) has been in the MAC table", mac_str);
1460                 return 0;
1461         }
1462
1463         hns3_err(hw, "PF failed to add unicast entry(%s) in the MAC table",
1464                  mac_str);
1465
1466         return ret;
1467 }
1468
1469 static int
1470 hns3_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1471 {
1472         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1473         struct rte_ether_addr *addr;
1474         int ret;
1475         int i;
1476
1477         for (i = 0; i < hw->mc_addrs_num; i++) {
1478                 addr = &hw->mc_addrs[i];
1479                 /* Check if there are duplicate addresses */
1480                 if (rte_is_same_ether_addr(addr, mac_addr)) {
1481                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1482                                               addr);
1483                         hns3_err(hw, "failed to add mc mac addr, same addrs"
1484                                  "(%s) is added by the set_mc_mac_addr_list "
1485                                  "API", mac_str);
1486                         return -EINVAL;
1487                 }
1488         }
1489
1490         ret = hns3_add_mc_addr(hw, mac_addr);
1491         if (ret) {
1492                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1493                                       mac_addr);
1494                 hns3_err(hw, "failed to add mc mac addr(%s), ret = %d",
1495                          mac_str, ret);
1496         }
1497         return ret;
1498 }
1499
1500 static int
1501 hns3_remove_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1502 {
1503         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1504         int ret;
1505
1506         ret = hns3_remove_mc_addr(hw, mac_addr);
1507         if (ret) {
1508                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1509                                       mac_addr);
1510                 hns3_err(hw, "failed to remove mc mac addr(%s), ret = %d",
1511                          mac_str, ret);
1512         }
1513         return ret;
1514 }
1515
1516 static int
1517 hns3_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
1518                   uint32_t idx, __rte_unused uint32_t pool)
1519 {
1520         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1521         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1522         int ret;
1523
1524         rte_spinlock_lock(&hw->lock);
1525
1526         /*
1527          * In hns3 network engine adding UC and MC mac address with different
1528          * commands with firmware. We need to determine whether the input
1529          * address is a UC or a MC address to call different commands.
1530          * By the way, it is recommended calling the API function named
1531          * rte_eth_dev_set_mc_addr_list to set the MC mac address, because
1532          * using the rte_eth_dev_mac_addr_add API function to set MC mac address
1533          * may affect the specifications of UC mac addresses.
1534          */
1535         if (rte_is_multicast_ether_addr(mac_addr))
1536                 ret = hns3_add_mc_addr_common(hw, mac_addr);
1537         else
1538                 ret = hns3_add_uc_addr_common(hw, mac_addr);
1539
1540         if (ret) {
1541                 rte_spinlock_unlock(&hw->lock);
1542                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1543                                       mac_addr);
1544                 hns3_err(hw, "failed to add mac addr(%s), ret = %d", mac_str,
1545                          ret);
1546                 return ret;
1547         }
1548
1549         if (idx == 0)
1550                 hw->mac.default_addr_setted = true;
1551         rte_spinlock_unlock(&hw->lock);
1552
1553         return ret;
1554 }
1555
1556 static int
1557 hns3_remove_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1558 {
1559         struct hns3_mac_vlan_tbl_entry_cmd req;
1560         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1561         int ret;
1562
1563         /* check if mac addr is valid */
1564         if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1565                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1566                                       mac_addr);
1567                 hns3_err(hw, "remove unicast mac addr err! addr(%s) invalid",
1568                          mac_str);
1569                 return -EINVAL;
1570         }
1571
1572         memset(&req, 0, sizeof(req));
1573         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1574         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1575         ret = hns3_remove_mac_vlan_tbl(hw, &req);
1576         if (ret == -ENOENT) /* mac addr isn't existent in the mac vlan table. */
1577                 return 0;
1578         else if (ret == 0)
1579                 hns3_update_umv_space(hw, true);
1580
1581         return ret;
1582 }
1583
1584 static void
1585 hns3_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx)
1586 {
1587         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1588         /* index will be checked by upper level rte interface */
1589         struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[idx];
1590         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1591         int ret;
1592
1593         rte_spinlock_lock(&hw->lock);
1594
1595         if (rte_is_multicast_ether_addr(mac_addr))
1596                 ret = hns3_remove_mc_addr_common(hw, mac_addr);
1597         else
1598                 ret = hns3_remove_uc_addr_common(hw, mac_addr);
1599         rte_spinlock_unlock(&hw->lock);
1600         if (ret) {
1601                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1602                                       mac_addr);
1603                 hns3_err(hw, "failed to remove mac addr(%s), ret = %d", mac_str,
1604                          ret);
1605         }
1606 }
1607
1608 static int
1609 hns3_set_default_mac_addr(struct rte_eth_dev *dev,
1610                           struct rte_ether_addr *mac_addr)
1611 {
1612         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1613         struct rte_ether_addr *oaddr;
1614         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1615         bool default_addr_setted;
1616         bool rm_succes = false;
1617         int ret, ret_val;
1618
1619         /*
1620          * It has been guaranteed that input parameter named mac_addr is valid
1621          * address in the rte layer of DPDK framework.
1622          */
1623         oaddr = (struct rte_ether_addr *)hw->mac.mac_addr;
1624         default_addr_setted = hw->mac.default_addr_setted;
1625         if (default_addr_setted && !!rte_is_same_ether_addr(mac_addr, oaddr))
1626                 return 0;
1627
1628         rte_spinlock_lock(&hw->lock);
1629         if (default_addr_setted) {
1630                 ret = hns3_remove_uc_addr_common(hw, oaddr);
1631                 if (ret) {
1632                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1633                                               oaddr);
1634                         hns3_warn(hw, "Remove old uc mac address(%s) fail: %d",
1635                                   mac_str, ret);
1636                         rm_succes = false;
1637                 } else
1638                         rm_succes = true;
1639         }
1640
1641         ret = hns3_add_uc_addr_common(hw, mac_addr);
1642         if (ret) {
1643                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1644                                       mac_addr);
1645                 hns3_err(hw, "Failed to set mac addr(%s): %d", mac_str, ret);
1646                 goto err_add_uc_addr;
1647         }
1648
1649         ret = hns3_pause_addr_cfg(hw, mac_addr->addr_bytes);
1650         if (ret) {
1651                 hns3_err(hw, "Failed to configure mac pause address: %d", ret);
1652                 goto err_pause_addr_cfg;
1653         }
1654
1655         rte_ether_addr_copy(mac_addr,
1656                             (struct rte_ether_addr *)hw->mac.mac_addr);
1657         hw->mac.default_addr_setted = true;
1658         rte_spinlock_unlock(&hw->lock);
1659
1660         return 0;
1661
1662 err_pause_addr_cfg:
1663         ret_val = hns3_remove_uc_addr_common(hw, mac_addr);
1664         if (ret_val) {
1665                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1666                                       mac_addr);
1667                 hns3_warn(hw,
1668                           "Failed to roll back to del setted mac addr(%s): %d",
1669                           mac_str, ret_val);
1670         }
1671
1672 err_add_uc_addr:
1673         if (rm_succes) {
1674                 ret_val = hns3_add_uc_addr_common(hw, oaddr);
1675                 if (ret_val) {
1676                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1677                                               oaddr);
1678                         hns3_warn(hw,
1679                                   "Failed to restore old uc mac addr(%s): %d",
1680                                   mac_str, ret_val);
1681                         hw->mac.default_addr_setted = false;
1682                 }
1683         }
1684         rte_spinlock_unlock(&hw->lock);
1685
1686         return ret;
1687 }
1688
1689 static int
1690 hns3_configure_all_mac_addr(struct hns3_adapter *hns, bool del)
1691 {
1692         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1693         struct hns3_hw *hw = &hns->hw;
1694         struct rte_ether_addr *addr;
1695         int err = 0;
1696         int ret;
1697         int i;
1698
1699         for (i = 0; i < HNS3_UC_MACADDR_NUM; i++) {
1700                 addr = &hw->data->mac_addrs[i];
1701                 if (rte_is_zero_ether_addr(addr))
1702                         continue;
1703                 if (rte_is_multicast_ether_addr(addr))
1704                         ret = del ? hns3_remove_mc_addr(hw, addr) :
1705                               hns3_add_mc_addr(hw, addr);
1706                 else
1707                         ret = del ? hns3_remove_uc_addr_common(hw, addr) :
1708                               hns3_add_uc_addr_common(hw, addr);
1709
1710                 if (ret) {
1711                         err = ret;
1712                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1713                                               addr);
1714                         hns3_err(hw, "failed to %s mac addr(%s) index:%d "
1715                                  "ret = %d.", del ? "remove" : "restore",
1716                                  mac_str, i, ret);
1717                 }
1718         }
1719         return err;
1720 }
1721
1722 static void
1723 hns3_update_desc_vfid(struct hns3_cmd_desc *desc, uint8_t vfid, bool clr)
1724 {
1725 #define HNS3_VF_NUM_IN_FIRST_DESC 192
1726         uint8_t word_num;
1727         uint8_t bit_num;
1728
1729         if (vfid < HNS3_VF_NUM_IN_FIRST_DESC) {
1730                 word_num = vfid / 32;
1731                 bit_num = vfid % 32;
1732                 if (clr)
1733                         desc[1].data[word_num] &=
1734                             rte_cpu_to_le_32(~(1UL << bit_num));
1735                 else
1736                         desc[1].data[word_num] |=
1737                             rte_cpu_to_le_32(1UL << bit_num);
1738         } else {
1739                 word_num = (vfid - HNS3_VF_NUM_IN_FIRST_DESC) / 32;
1740                 bit_num = vfid % 32;
1741                 if (clr)
1742                         desc[2].data[word_num] &=
1743                             rte_cpu_to_le_32(~(1UL << bit_num));
1744                 else
1745                         desc[2].data[word_num] |=
1746                             rte_cpu_to_le_32(1UL << bit_num);
1747         }
1748 }
1749
1750 static int
1751 hns3_add_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1752 {
1753         struct hns3_mac_vlan_tbl_entry_cmd req;
1754         struct hns3_cmd_desc desc[3];
1755         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1756         uint8_t vf_id;
1757         int ret;
1758
1759         /* Check if mac addr is valid */
1760         if (!rte_is_multicast_ether_addr(mac_addr)) {
1761                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1762                                       mac_addr);
1763                 hns3_err(hw, "failed to add mc mac addr, addr(%s) invalid",
1764                          mac_str);
1765                 return -EINVAL;
1766         }
1767
1768         memset(&req, 0, sizeof(req));
1769         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1770         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1771         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1772         if (ret) {
1773                 /* This mac addr do not exist, add new entry for it */
1774                 memset(desc[0].data, 0, sizeof(desc[0].data));
1775                 memset(desc[1].data, 0, sizeof(desc[0].data));
1776                 memset(desc[2].data, 0, sizeof(desc[0].data));
1777         }
1778
1779         /*
1780          * In current version VF is not supported when PF is driven by DPDK
1781          * driver, just need to configure parameters for PF vport.
1782          */
1783         vf_id = HNS3_PF_FUNC_ID;
1784         hns3_update_desc_vfid(desc, vf_id, false);
1785         ret = hns3_add_mac_vlan_tbl(hw, &req, desc);
1786         if (ret) {
1787                 if (ret == -ENOSPC)
1788                         hns3_err(hw, "mc mac vlan table is full");
1789                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1790                                       mac_addr);
1791                 hns3_err(hw, "failed to add mc mac addr(%s): %d", mac_str, ret);
1792         }
1793
1794         return ret;
1795 }
1796
1797 static int
1798 hns3_remove_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1799 {
1800         struct hns3_mac_vlan_tbl_entry_cmd req;
1801         struct hns3_cmd_desc desc[3];
1802         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1803         uint8_t vf_id;
1804         int ret;
1805
1806         /* Check if mac addr is valid */
1807         if (!rte_is_multicast_ether_addr(mac_addr)) {
1808                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1809                                       mac_addr);
1810                 hns3_err(hw, "Failed to rm mc mac addr, addr(%s) invalid",
1811                          mac_str);
1812                 return -EINVAL;
1813         }
1814
1815         memset(&req, 0, sizeof(req));
1816         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1817         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1818         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1819         if (ret == 0) {
1820                 /*
1821                  * This mac addr exist, remove this handle's VFID for it.
1822                  * In current version VF is not supported when PF is driven by
1823                  * DPDK driver, just need to configure parameters for PF vport.
1824                  */
1825                 vf_id = HNS3_PF_FUNC_ID;
1826                 hns3_update_desc_vfid(desc, vf_id, true);
1827
1828                 /* All the vfid is zero, so need to delete this entry */
1829                 ret = hns3_remove_mac_vlan_tbl(hw, &req);
1830         } else if (ret == -ENOENT) {
1831                 /* This mac addr doesn't exist. */
1832                 return 0;
1833         }
1834
1835         if (ret) {
1836                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1837                                       mac_addr);
1838                 hns3_err(hw, "Failed to rm mc mac addr(%s): %d", mac_str, ret);
1839         }
1840
1841         return ret;
1842 }
1843
1844 static int
1845 hns3_set_mc_addr_chk_param(struct hns3_hw *hw,
1846                            struct rte_ether_addr *mc_addr_set,
1847                            uint32_t nb_mc_addr)
1848 {
1849         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1850         struct rte_ether_addr *addr;
1851         uint32_t i;
1852         uint32_t j;
1853
1854         if (nb_mc_addr > HNS3_MC_MACADDR_NUM) {
1855                 hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%d) "
1856                          "invalid. valid range: 0~%d",
1857                          nb_mc_addr, HNS3_MC_MACADDR_NUM);
1858                 return -EINVAL;
1859         }
1860
1861         /* Check if input mac addresses are valid */
1862         for (i = 0; i < nb_mc_addr; i++) {
1863                 addr = &mc_addr_set[i];
1864                 if (!rte_is_multicast_ether_addr(addr)) {
1865                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1866                                               addr);
1867                         hns3_err(hw,
1868                                  "failed to set mc mac addr, addr(%s) invalid.",
1869                                  mac_str);
1870                         return -EINVAL;
1871                 }
1872
1873                 /* Check if there are duplicate addresses */
1874                 for (j = i + 1; j < nb_mc_addr; j++) {
1875                         if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
1876                                 rte_ether_format_addr(mac_str,
1877                                                       RTE_ETHER_ADDR_FMT_SIZE,
1878                                                       addr);
1879                                 hns3_err(hw, "failed to set mc mac addr, "
1880                                          "addrs invalid. two same addrs(%s).",
1881                                          mac_str);
1882                                 return -EINVAL;
1883                         }
1884                 }
1885
1886                 /*
1887                  * Check if there are duplicate addresses between mac_addrs
1888                  * and mc_addr_set
1889                  */
1890                 for (j = 0; j < HNS3_UC_MACADDR_NUM; j++) {
1891                         if (rte_is_same_ether_addr(addr,
1892                                                    &hw->data->mac_addrs[j])) {
1893                                 rte_ether_format_addr(mac_str,
1894                                                       RTE_ETHER_ADDR_FMT_SIZE,
1895                                                       addr);
1896                                 hns3_err(hw, "failed to set mc mac addr, "
1897                                          "addrs invalid. addrs(%s) has already "
1898                                          "configured in mac_addr add API",
1899                                          mac_str);
1900                                 return -EINVAL;
1901                         }
1902                 }
1903         }
1904
1905         return 0;
1906 }
1907
1908 static void
1909 hns3_set_mc_addr_calc_addr(struct hns3_hw *hw,
1910                            struct rte_ether_addr *mc_addr_set,
1911                            int mc_addr_num,
1912                            struct rte_ether_addr *reserved_addr_list,
1913                            int *reserved_addr_num,
1914                            struct rte_ether_addr *add_addr_list,
1915                            int *add_addr_num,
1916                            struct rte_ether_addr *rm_addr_list,
1917                            int *rm_addr_num)
1918 {
1919         struct rte_ether_addr *addr;
1920         int current_addr_num;
1921         int reserved_num = 0;
1922         int add_num = 0;
1923         int rm_num = 0;
1924         int num;
1925         int i;
1926         int j;
1927         bool same_addr;
1928
1929         /* Calculate the mc mac address list that should be removed */
1930         current_addr_num = hw->mc_addrs_num;
1931         for (i = 0; i < current_addr_num; i++) {
1932                 addr = &hw->mc_addrs[i];
1933                 same_addr = false;
1934                 for (j = 0; j < mc_addr_num; j++) {
1935                         if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
1936                                 same_addr = true;
1937                                 break;
1938                         }
1939                 }
1940
1941                 if (!same_addr) {
1942                         rte_ether_addr_copy(addr, &rm_addr_list[rm_num]);
1943                         rm_num++;
1944                 } else {
1945                         rte_ether_addr_copy(addr,
1946                                             &reserved_addr_list[reserved_num]);
1947                         reserved_num++;
1948                 }
1949         }
1950
1951         /* Calculate the mc mac address list that should be added */
1952         for (i = 0; i < mc_addr_num; i++) {
1953                 addr = &mc_addr_set[i];
1954                 same_addr = false;
1955                 for (j = 0; j < current_addr_num; j++) {
1956                         if (rte_is_same_ether_addr(addr, &hw->mc_addrs[j])) {
1957                                 same_addr = true;
1958                                 break;
1959                         }
1960                 }
1961
1962                 if (!same_addr) {
1963                         rte_ether_addr_copy(addr, &add_addr_list[add_num]);
1964                         add_num++;
1965                 }
1966         }
1967
1968         /* Reorder the mc mac address list maintained by driver */
1969         for (i = 0; i < reserved_num; i++)
1970                 rte_ether_addr_copy(&reserved_addr_list[i], &hw->mc_addrs[i]);
1971
1972         for (i = 0; i < rm_num; i++) {
1973                 num = reserved_num + i;
1974                 rte_ether_addr_copy(&rm_addr_list[i], &hw->mc_addrs[num]);
1975         }
1976
1977         *reserved_addr_num = reserved_num;
1978         *add_addr_num = add_num;
1979         *rm_addr_num = rm_num;
1980 }
1981
1982 static int
1983 hns3_set_mc_mac_addr_list(struct rte_eth_dev *dev,
1984                           struct rte_ether_addr *mc_addr_set,
1985                           uint32_t nb_mc_addr)
1986 {
1987         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1988         struct rte_ether_addr reserved_addr_list[HNS3_MC_MACADDR_NUM];
1989         struct rte_ether_addr add_addr_list[HNS3_MC_MACADDR_NUM];
1990         struct rte_ether_addr rm_addr_list[HNS3_MC_MACADDR_NUM];
1991         struct rte_ether_addr *addr;
1992         int reserved_addr_num;
1993         int add_addr_num;
1994         int rm_addr_num;
1995         int mc_addr_num;
1996         int num;
1997         int ret;
1998         int i;
1999
2000         /* Check if input parameters are valid */
2001         ret = hns3_set_mc_addr_chk_param(hw, mc_addr_set, nb_mc_addr);
2002         if (ret)
2003                 return ret;
2004
2005         rte_spinlock_lock(&hw->lock);
2006
2007         /*
2008          * Calculate the mc mac address lists those should be removed and be
2009          * added, Reorder the mc mac address list maintained by driver.
2010          */
2011         mc_addr_num = (int)nb_mc_addr;
2012         hns3_set_mc_addr_calc_addr(hw, mc_addr_set, mc_addr_num,
2013                                    reserved_addr_list, &reserved_addr_num,
2014                                    add_addr_list, &add_addr_num,
2015                                    rm_addr_list, &rm_addr_num);
2016
2017         /* Remove mc mac addresses */
2018         for (i = 0; i < rm_addr_num; i++) {
2019                 num = rm_addr_num - i - 1;
2020                 addr = &rm_addr_list[num];
2021                 ret = hns3_remove_mc_addr(hw, addr);
2022                 if (ret) {
2023                         rte_spinlock_unlock(&hw->lock);
2024                         return ret;
2025                 }
2026                 hw->mc_addrs_num--;
2027         }
2028
2029         /* Add mc mac addresses */
2030         for (i = 0; i < add_addr_num; i++) {
2031                 addr = &add_addr_list[i];
2032                 ret = hns3_add_mc_addr(hw, addr);
2033                 if (ret) {
2034                         rte_spinlock_unlock(&hw->lock);
2035                         return ret;
2036                 }
2037
2038                 num = reserved_addr_num + i;
2039                 rte_ether_addr_copy(addr, &hw->mc_addrs[num]);
2040                 hw->mc_addrs_num++;
2041         }
2042         rte_spinlock_unlock(&hw->lock);
2043
2044         return 0;
2045 }
2046
2047 static int
2048 hns3_configure_all_mc_mac_addr(struct hns3_adapter *hns, bool del)
2049 {
2050         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
2051         struct hns3_hw *hw = &hns->hw;
2052         struct rte_ether_addr *addr;
2053         int err = 0;
2054         int ret;
2055         int i;
2056
2057         for (i = 0; i < hw->mc_addrs_num; i++) {
2058                 addr = &hw->mc_addrs[i];
2059                 if (!rte_is_multicast_ether_addr(addr))
2060                         continue;
2061                 if (del)
2062                         ret = hns3_remove_mc_addr(hw, addr);
2063                 else
2064                         ret = hns3_add_mc_addr(hw, addr);
2065                 if (ret) {
2066                         err = ret;
2067                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
2068                                               addr);
2069                         hns3_dbg(hw, "%s mc mac addr: %s failed for pf: ret = %d",
2070                                  del ? "Remove" : "Restore", mac_str, ret);
2071                 }
2072         }
2073         return err;
2074 }
2075
2076 static int
2077 hns3_check_mq_mode(struct rte_eth_dev *dev)
2078 {
2079         enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
2080         enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
2081         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2082         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
2083         struct rte_eth_dcb_rx_conf *dcb_rx_conf;
2084         struct rte_eth_dcb_tx_conf *dcb_tx_conf;
2085         uint8_t num_tc;
2086         int max_tc = 0;
2087         int i;
2088
2089         dcb_rx_conf = &dev->data->dev_conf.rx_adv_conf.dcb_rx_conf;
2090         dcb_tx_conf = &dev->data->dev_conf.tx_adv_conf.dcb_tx_conf;
2091
2092         if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB_RSS) {
2093                 hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB_RSS is not supported. "
2094                          "rx_mq_mode = %d", rx_mq_mode);
2095                 return -EINVAL;
2096         }
2097
2098         if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB ||
2099             tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
2100                 hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB and ETH_MQ_TX_VMDQ_DCB "
2101                          "is not supported. rx_mq_mode = %d, tx_mq_mode = %d",
2102                          rx_mq_mode, tx_mq_mode);
2103                 return -EINVAL;
2104         }
2105
2106         if (rx_mq_mode == ETH_MQ_RX_DCB_RSS) {
2107                 if (dcb_rx_conf->nb_tcs > pf->tc_max) {
2108                         hns3_err(hw, "nb_tcs(%u) > max_tc(%u) driver supported.",
2109                                  dcb_rx_conf->nb_tcs, pf->tc_max);
2110                         return -EINVAL;
2111                 }
2112
2113                 if (!(dcb_rx_conf->nb_tcs == HNS3_4_TCS ||
2114                       dcb_rx_conf->nb_tcs == HNS3_8_TCS)) {
2115                         hns3_err(hw, "on ETH_MQ_RX_DCB_RSS mode, "
2116                                  "nb_tcs(%d) != %d or %d in rx direction.",
2117                                  dcb_rx_conf->nb_tcs, HNS3_4_TCS, HNS3_8_TCS);
2118                         return -EINVAL;
2119                 }
2120
2121                 if (dcb_rx_conf->nb_tcs != dcb_tx_conf->nb_tcs) {
2122                         hns3_err(hw, "num_tcs(%d) of tx is not equal to rx(%d)",
2123                                  dcb_tx_conf->nb_tcs, dcb_rx_conf->nb_tcs);
2124                         return -EINVAL;
2125                 }
2126
2127                 for (i = 0; i < HNS3_MAX_USER_PRIO; i++) {
2128                         if (dcb_rx_conf->dcb_tc[i] != dcb_tx_conf->dcb_tc[i]) {
2129                                 hns3_err(hw, "dcb_tc[%d] = %d in rx direction, "
2130                                          "is not equal to one in tx direction.",
2131                                          i, dcb_rx_conf->dcb_tc[i]);
2132                                 return -EINVAL;
2133                         }
2134                         if (dcb_rx_conf->dcb_tc[i] > max_tc)
2135                                 max_tc = dcb_rx_conf->dcb_tc[i];
2136                 }
2137
2138                 num_tc = max_tc + 1;
2139                 if (num_tc > dcb_rx_conf->nb_tcs) {
2140                         hns3_err(hw, "max num_tc(%u) mapped > nb_tcs(%u)",
2141                                  num_tc, dcb_rx_conf->nb_tcs);
2142                         return -EINVAL;
2143                 }
2144         }
2145
2146         return 0;
2147 }
2148
2149 static int
2150 hns3_check_dcb_cfg(struct rte_eth_dev *dev)
2151 {
2152         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2153
2154         if (!hns3_dev_dcb_supported(hw)) {
2155                 hns3_err(hw, "this port does not support dcb configurations.");
2156                 return -EOPNOTSUPP;
2157         }
2158
2159         if (hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE) {
2160                 hns3_err(hw, "MAC pause enabled, cannot config dcb info.");
2161                 return -EOPNOTSUPP;
2162         }
2163
2164         /* Check multiple queue mode */
2165         return hns3_check_mq_mode(dev);
2166 }
2167
2168 static int
2169 hns3_bind_ring_with_vector(struct hns3_hw *hw, uint8_t vector_id, bool mmap,
2170                            enum hns3_ring_type queue_type, uint16_t queue_id)
2171 {
2172         struct hns3_cmd_desc desc;
2173         struct hns3_ctrl_vector_chain_cmd *req =
2174                 (struct hns3_ctrl_vector_chain_cmd *)desc.data;
2175         enum hns3_cmd_status status;
2176         enum hns3_opcode_type op;
2177         uint16_t tqp_type_and_id = 0;
2178         const char *op_str;
2179         uint16_t type;
2180         uint16_t gl;
2181
2182         op = mmap ? HNS3_OPC_ADD_RING_TO_VECTOR : HNS3_OPC_DEL_RING_TO_VECTOR;
2183         hns3_cmd_setup_basic_desc(&desc, op, false);
2184         req->int_vector_id = vector_id;
2185
2186         if (queue_type == HNS3_RING_TYPE_RX)
2187                 gl = HNS3_RING_GL_RX;
2188         else
2189                 gl = HNS3_RING_GL_TX;
2190
2191         type = queue_type;
2192
2193         hns3_set_field(tqp_type_and_id, HNS3_INT_TYPE_M, HNS3_INT_TYPE_S,
2194                        type);
2195         hns3_set_field(tqp_type_and_id, HNS3_TQP_ID_M, HNS3_TQP_ID_S, queue_id);
2196         hns3_set_field(tqp_type_and_id, HNS3_INT_GL_IDX_M, HNS3_INT_GL_IDX_S,
2197                        gl);
2198         req->tqp_type_and_id[0] = rte_cpu_to_le_16(tqp_type_and_id);
2199         req->int_cause_num = 1;
2200         op_str = mmap ? "Map" : "Unmap";
2201         status = hns3_cmd_send(hw, &desc, 1);
2202         if (status) {
2203                 hns3_err(hw, "%s TQP %d fail, vector_id is %d, status is %d.",
2204                          op_str, queue_id, req->int_vector_id, status);
2205                 return status;
2206         }
2207
2208         return 0;
2209 }
2210
2211 static int
2212 hns3_init_ring_with_vector(struct hns3_hw *hw)
2213 {
2214         uint8_t vec;
2215         int ret;
2216         int i;
2217
2218         /*
2219          * In hns3 network engine, vector 0 is always the misc interrupt of this
2220          * function, vector 1~N can be used respectively for the queues of the
2221          * function. Tx and Rx queues with the same number share the interrupt
2222          * vector. In the initialization clearing the all hardware mapping
2223          * relationship configurations between queues and interrupt vectors is
2224          * needed, so some error caused by the residual configurations, such as
2225          * the unexpected Tx interrupt, can be avoid. Because of the hardware
2226          * constraints in hns3 hardware engine, we have to implement clearing
2227          * the mapping relationship configurations by binding all queues to the
2228          * last interrupt vector and reserving the last interrupt vector. This
2229          * method results in a decrease of the maximum queues when upper
2230          * applications call the rte_eth_dev_configure API function to enable
2231          * Rx interrupt.
2232          */
2233         vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */
2234         /* vec - 1: the last interrupt is reserved */
2235         hw->intr_tqps_num = vec > hw->tqps_num ? hw->tqps_num : vec - 1;
2236         for (i = 0; i < hw->intr_tqps_num; i++) {
2237                 /*
2238                  * Set gap limiter and rate limiter configuration of queue's
2239                  * interrupt.
2240                  */
2241                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_RX,
2242                                        HNS3_TQP_INTR_GL_DEFAULT);
2243                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_TX,
2244                                        HNS3_TQP_INTR_GL_DEFAULT);
2245                 hns3_set_queue_intr_rl(hw, i, HNS3_TQP_INTR_RL_DEFAULT);
2246
2247                 ret = hns3_bind_ring_with_vector(hw, vec, false,
2248                                                  HNS3_RING_TYPE_TX, i);
2249                 if (ret) {
2250                         PMD_INIT_LOG(ERR, "PF fail to unbind TX ring(%d) with "
2251                                           "vector: %d, ret=%d", i, vec, ret);
2252                         return ret;
2253                 }
2254
2255                 ret = hns3_bind_ring_with_vector(hw, vec, false,
2256                                                  HNS3_RING_TYPE_RX, i);
2257                 if (ret) {
2258                         PMD_INIT_LOG(ERR, "PF fail to unbind RX ring(%d) with "
2259                                           "vector: %d, ret=%d", i, vec, ret);
2260                         return ret;
2261                 }
2262         }
2263
2264         return 0;
2265 }
2266
2267 static int
2268 hns3_dev_configure(struct rte_eth_dev *dev)
2269 {
2270         struct hns3_adapter *hns = dev->data->dev_private;
2271         struct rte_eth_conf *conf = &dev->data->dev_conf;
2272         enum rte_eth_rx_mq_mode mq_mode = conf->rxmode.mq_mode;
2273         struct hns3_hw *hw = &hns->hw;
2274         struct hns3_rss_conf *rss_cfg = &hw->rss_info;
2275         uint16_t nb_rx_q = dev->data->nb_rx_queues;
2276         uint16_t nb_tx_q = dev->data->nb_tx_queues;
2277         struct rte_eth_rss_conf rss_conf;
2278         uint16_t mtu;
2279         int ret;
2280
2281         /*
2282          * Hardware does not support individually enable/disable/reset the Tx or
2283          * Rx queue in hns3 network engine. Driver must enable/disable/reset Tx
2284          * and Rx queues at the same time. When the numbers of Tx queues
2285          * allocated by upper applications are not equal to the numbers of Rx
2286          * queues, driver needs to setup fake Tx or Rx queues to adjust numbers
2287          * of Tx/Rx queues. otherwise, network engine can not work as usual. But
2288          * these fake queues are imperceptible, and can not be used by upper
2289          * applications.
2290          */
2291         ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
2292         if (ret) {
2293                 hns3_err(hw, "Failed to set rx/tx fake queues: %d", ret);
2294                 return ret;
2295         }
2296
2297         hw->adapter_state = HNS3_NIC_CONFIGURING;
2298         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
2299                 hns3_err(hw, "setting link speed/duplex not supported");
2300                 ret = -EINVAL;
2301                 goto cfg_err;
2302         }
2303
2304         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG) {
2305                 ret = hns3_check_dcb_cfg(dev);
2306                 if (ret)
2307                         goto cfg_err;
2308         }
2309
2310         /* When RSS is not configured, redirect the packet queue 0 */
2311         if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
2312                 conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
2313                 rss_conf = conf->rx_adv_conf.rss_conf;
2314                 if (rss_conf.rss_key == NULL) {
2315                         rss_conf.rss_key = rss_cfg->key;
2316                         rss_conf.rss_key_len = HNS3_RSS_KEY_SIZE;
2317                 }
2318
2319                 ret = hns3_dev_rss_hash_update(dev, &rss_conf);
2320                 if (ret)
2321                         goto cfg_err;
2322         }
2323
2324         /*
2325          * If jumbo frames are enabled, MTU needs to be refreshed
2326          * according to the maximum RX packet length.
2327          */
2328         if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
2329                 /*
2330                  * Security of max_rx_pkt_len is guaranteed in dpdk frame.
2331                  * Maximum value of max_rx_pkt_len is HNS3_MAX_FRAME_LEN, so it
2332                  * can safely assign to "uint16_t" type variable.
2333                  */
2334                 mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(conf->rxmode.max_rx_pkt_len);
2335                 ret = hns3_dev_mtu_set(dev, mtu);
2336                 if (ret)
2337                         goto cfg_err;
2338                 dev->data->mtu = mtu;
2339         }
2340
2341         ret = hns3_dev_configure_vlan(dev);
2342         if (ret)
2343                 goto cfg_err;
2344
2345         hw->adapter_state = HNS3_NIC_CONFIGURED;
2346
2347         return 0;
2348
2349 cfg_err:
2350         (void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
2351         hw->adapter_state = HNS3_NIC_INITIALIZED;
2352
2353         return ret;
2354 }
2355
2356 static int
2357 hns3_set_mac_mtu(struct hns3_hw *hw, uint16_t new_mps)
2358 {
2359         struct hns3_config_max_frm_size_cmd *req;
2360         struct hns3_cmd_desc desc;
2361
2362         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAX_FRM_SIZE, false);
2363
2364         req = (struct hns3_config_max_frm_size_cmd *)desc.data;
2365         req->max_frm_size = rte_cpu_to_le_16(new_mps);
2366         req->min_frm_size = RTE_ETHER_MIN_LEN;
2367
2368         return hns3_cmd_send(hw, &desc, 1);
2369 }
2370
2371 static int
2372 hns3_config_mtu(struct hns3_hw *hw, uint16_t mps)
2373 {
2374         int ret;
2375
2376         ret = hns3_set_mac_mtu(hw, mps);
2377         if (ret) {
2378                 hns3_err(hw, "Failed to set mtu, ret = %d", ret);
2379                 return ret;
2380         }
2381
2382         ret = hns3_buffer_alloc(hw);
2383         if (ret)
2384                 hns3_err(hw, "Failed to allocate buffer, ret = %d", ret);
2385
2386         return ret;
2387 }
2388
2389 static int
2390 hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2391 {
2392         struct hns3_adapter *hns = dev->data->dev_private;
2393         uint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;
2394         struct hns3_hw *hw = &hns->hw;
2395         bool is_jumbo_frame;
2396         int ret;
2397
2398         if (dev->data->dev_started) {
2399                 hns3_err(hw, "Failed to set mtu, port %u must be stopped "
2400                          "before configuration", dev->data->port_id);
2401                 return -EBUSY;
2402         }
2403
2404         rte_spinlock_lock(&hw->lock);
2405         is_jumbo_frame = frame_size > RTE_ETHER_MAX_LEN ? true : false;
2406         frame_size = RTE_MAX(frame_size, HNS3_DEFAULT_FRAME_LEN);
2407
2408         /*
2409          * Maximum value of frame_size is HNS3_MAX_FRAME_LEN, so it can safely
2410          * assign to "uint16_t" type variable.
2411          */
2412         ret = hns3_config_mtu(hw, (uint16_t)frame_size);
2413         if (ret) {
2414                 rte_spinlock_unlock(&hw->lock);
2415                 hns3_err(hw, "Failed to set mtu, port %u mtu %u: %d",
2416                          dev->data->port_id, mtu, ret);
2417                 return ret;
2418         }
2419         hns->pf.mps = (uint16_t)frame_size;
2420         if (is_jumbo_frame)
2421                 dev->data->dev_conf.rxmode.offloads |=
2422                                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
2423         else
2424                 dev->data->dev_conf.rxmode.offloads &=
2425                                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
2426         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2427         rte_spinlock_unlock(&hw->lock);
2428
2429         return 0;
2430 }
2431
2432 static int
2433 hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
2434 {
2435         struct hns3_adapter *hns = eth_dev->data->dev_private;
2436         struct hns3_hw *hw = &hns->hw;
2437         uint16_t queue_num = hw->tqps_num;
2438
2439         /*
2440          * In interrupt mode, 'max_rx_queues' is set based on the number of
2441          * MSI-X interrupt resources of the hardware.
2442          */
2443         if (hw->data->dev_conf.intr_conf.rxq == 1)
2444                 queue_num = hw->intr_tqps_num;
2445
2446         info->max_rx_queues = queue_num;
2447         info->max_tx_queues = hw->tqps_num;
2448         info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */
2449         info->min_rx_bufsize = hw->rx_buf_len;
2450         info->max_mac_addrs = HNS3_UC_MACADDR_NUM;
2451         info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD;
2452         info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
2453                                  DEV_RX_OFFLOAD_TCP_CKSUM |
2454                                  DEV_RX_OFFLOAD_UDP_CKSUM |
2455                                  DEV_RX_OFFLOAD_SCTP_CKSUM |
2456                                  DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
2457                                  DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
2458                                  DEV_RX_OFFLOAD_KEEP_CRC |
2459                                  DEV_RX_OFFLOAD_SCATTER |
2460                                  DEV_RX_OFFLOAD_VLAN_STRIP |
2461                                  DEV_RX_OFFLOAD_VLAN_FILTER |
2462                                  DEV_RX_OFFLOAD_JUMBO_FRAME |
2463                                  DEV_RX_OFFLOAD_RSS_HASH);
2464         info->tx_queue_offload_capa = DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2465         info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
2466                                  DEV_TX_OFFLOAD_IPV4_CKSUM |
2467                                  DEV_TX_OFFLOAD_TCP_CKSUM |
2468                                  DEV_TX_OFFLOAD_UDP_CKSUM |
2469                                  DEV_TX_OFFLOAD_SCTP_CKSUM |
2470                                  DEV_TX_OFFLOAD_VLAN_INSERT |
2471                                  DEV_TX_OFFLOAD_QINQ_INSERT |
2472                                  DEV_TX_OFFLOAD_MULTI_SEGS |
2473                                  DEV_TX_OFFLOAD_TCP_TSO |
2474                                  DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
2475                                  DEV_TX_OFFLOAD_GRE_TNL_TSO |
2476                                  DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
2477                                  info->tx_queue_offload_capa);
2478
2479         info->rx_desc_lim = (struct rte_eth_desc_lim) {
2480                 .nb_max = HNS3_MAX_RING_DESC,
2481                 .nb_min = HNS3_MIN_RING_DESC,
2482                 .nb_align = HNS3_ALIGN_RING_DESC,
2483         };
2484
2485         info->tx_desc_lim = (struct rte_eth_desc_lim) {
2486                 .nb_max = HNS3_MAX_RING_DESC,
2487                 .nb_min = HNS3_MIN_RING_DESC,
2488                 .nb_align = HNS3_ALIGN_RING_DESC,
2489         };
2490
2491         info->vmdq_queue_num = 0;
2492
2493         info->reta_size = HNS3_RSS_IND_TBL_SIZE;
2494         info->hash_key_size = HNS3_RSS_KEY_SIZE;
2495         info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
2496
2497         info->default_rxportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2498         info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2499         info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2500         info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2501         info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2502         info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2503
2504         return 0;
2505 }
2506
2507 static int
2508 hns3_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
2509                     size_t fw_size)
2510 {
2511         struct hns3_adapter *hns = eth_dev->data->dev_private;
2512         struct hns3_hw *hw = &hns->hw;
2513         uint32_t version = hw->fw_version;
2514         int ret;
2515
2516         ret = snprintf(fw_version, fw_size, "%lu.%lu.%lu.%lu",
2517                        hns3_get_field(version, HNS3_FW_VERSION_BYTE3_M,
2518                                       HNS3_FW_VERSION_BYTE3_S),
2519                        hns3_get_field(version, HNS3_FW_VERSION_BYTE2_M,
2520                                       HNS3_FW_VERSION_BYTE2_S),
2521                        hns3_get_field(version, HNS3_FW_VERSION_BYTE1_M,
2522                                       HNS3_FW_VERSION_BYTE1_S),
2523                        hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M,
2524                                       HNS3_FW_VERSION_BYTE0_S));
2525         ret += 1; /* add the size of '\0' */
2526         if (fw_size < (uint32_t)ret)
2527                 return ret;
2528         else
2529                 return 0;
2530 }
2531
2532 static int
2533 hns3_dev_link_update(struct rte_eth_dev *eth_dev,
2534                      __rte_unused int wait_to_complete)
2535 {
2536         struct hns3_adapter *hns = eth_dev->data->dev_private;
2537         struct hns3_hw *hw = &hns->hw;
2538         struct hns3_mac *mac = &hw->mac;
2539         struct rte_eth_link new_link;
2540
2541         if (!hns3_is_reset_pending(hns)) {
2542                 hns3_update_speed_duplex(eth_dev);
2543                 hns3_update_link_status(hw);
2544         }
2545
2546         memset(&new_link, 0, sizeof(new_link));
2547         switch (mac->link_speed) {
2548         case ETH_SPEED_NUM_10M:
2549         case ETH_SPEED_NUM_100M:
2550         case ETH_SPEED_NUM_1G:
2551         case ETH_SPEED_NUM_10G:
2552         case ETH_SPEED_NUM_25G:
2553         case ETH_SPEED_NUM_40G:
2554         case ETH_SPEED_NUM_50G:
2555         case ETH_SPEED_NUM_100G:
2556                 new_link.link_speed = mac->link_speed;
2557                 break;
2558         default:
2559                 new_link.link_speed = ETH_SPEED_NUM_100M;
2560                 break;
2561         }
2562
2563         new_link.link_duplex = mac->link_duplex;
2564         new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
2565         new_link.link_autoneg =
2566             !(eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2567
2568         return rte_eth_linkstatus_set(eth_dev, &new_link);
2569 }
2570
2571 static int
2572 hns3_parse_func_status(struct hns3_hw *hw, struct hns3_func_status_cmd *status)
2573 {
2574         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2575         struct hns3_pf *pf = &hns->pf;
2576
2577         if (!(status->pf_state & HNS3_PF_STATE_DONE))
2578                 return -EINVAL;
2579
2580         pf->is_main_pf = (status->pf_state & HNS3_PF_STATE_MAIN) ? true : false;
2581
2582         return 0;
2583 }
2584
2585 static int
2586 hns3_query_function_status(struct hns3_hw *hw)
2587 {
2588 #define HNS3_QUERY_MAX_CNT              10
2589 #define HNS3_QUERY_SLEEP_MSCOEND        1
2590         struct hns3_func_status_cmd *req;
2591         struct hns3_cmd_desc desc;
2592         int timeout = 0;
2593         int ret;
2594
2595         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_FUNC_STATUS, true);
2596         req = (struct hns3_func_status_cmd *)desc.data;
2597
2598         do {
2599                 ret = hns3_cmd_send(hw, &desc, 1);
2600                 if (ret) {
2601                         PMD_INIT_LOG(ERR, "query function status failed %d",
2602                                      ret);
2603                         return ret;
2604                 }
2605
2606                 /* Check pf reset is done */
2607                 if (req->pf_state)
2608                         break;
2609
2610                 rte_delay_ms(HNS3_QUERY_SLEEP_MSCOEND);
2611         } while (timeout++ < HNS3_QUERY_MAX_CNT);
2612
2613         return hns3_parse_func_status(hw, req);
2614 }
2615
2616 static int
2617 hns3_query_pf_resource(struct hns3_hw *hw)
2618 {
2619         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2620         struct hns3_pf *pf = &hns->pf;
2621         struct hns3_pf_res_cmd *req;
2622         struct hns3_cmd_desc desc;
2623         int ret;
2624
2625         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_PF_RSRC, true);
2626         ret = hns3_cmd_send(hw, &desc, 1);
2627         if (ret) {
2628                 PMD_INIT_LOG(ERR, "query pf resource failed %d", ret);
2629                 return ret;
2630         }
2631
2632         req = (struct hns3_pf_res_cmd *)desc.data;
2633         hw->total_tqps_num = rte_le_to_cpu_16(req->tqp_num);
2634         pf->pkt_buf_size = rte_le_to_cpu_16(req->buf_size) << HNS3_BUF_UNIT_S;
2635         hw->tqps_num = RTE_MIN(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
2636         pf->func_num = rte_le_to_cpu_16(req->pf_own_fun_number);
2637
2638         if (req->tx_buf_size)
2639                 pf->tx_buf_size =
2640                     rte_le_to_cpu_16(req->tx_buf_size) << HNS3_BUF_UNIT_S;
2641         else
2642                 pf->tx_buf_size = HNS3_DEFAULT_TX_BUF;
2643
2644         pf->tx_buf_size = roundup(pf->tx_buf_size, HNS3_BUF_SIZE_UNIT);
2645
2646         if (req->dv_buf_size)
2647                 pf->dv_buf_size =
2648                     rte_le_to_cpu_16(req->dv_buf_size) << HNS3_BUF_UNIT_S;
2649         else
2650                 pf->dv_buf_size = HNS3_DEFAULT_DV;
2651
2652         pf->dv_buf_size = roundup(pf->dv_buf_size, HNS3_BUF_SIZE_UNIT);
2653
2654         hw->num_msi =
2655             hns3_get_field(rte_le_to_cpu_16(req->pf_intr_vector_number),
2656                            HNS3_VEC_NUM_M, HNS3_VEC_NUM_S);
2657
2658         return 0;
2659 }
2660
2661 static void
2662 hns3_parse_cfg(struct hns3_cfg *cfg, struct hns3_cmd_desc *desc)
2663 {
2664         struct hns3_cfg_param_cmd *req;
2665         uint64_t mac_addr_tmp_high;
2666         uint64_t mac_addr_tmp;
2667         uint32_t i;
2668
2669         req = (struct hns3_cfg_param_cmd *)desc[0].data;
2670
2671         /* get the configuration */
2672         cfg->vmdq_vport_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2673                                              HNS3_CFG_VMDQ_M, HNS3_CFG_VMDQ_S);
2674         cfg->tc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2675                                      HNS3_CFG_TC_NUM_M, HNS3_CFG_TC_NUM_S);
2676         cfg->tqp_desc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2677                                            HNS3_CFG_TQP_DESC_N_M,
2678                                            HNS3_CFG_TQP_DESC_N_S);
2679
2680         cfg->phy_addr = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2681                                        HNS3_CFG_PHY_ADDR_M,
2682                                        HNS3_CFG_PHY_ADDR_S);
2683         cfg->media_type = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2684                                          HNS3_CFG_MEDIA_TP_M,
2685                                          HNS3_CFG_MEDIA_TP_S);
2686         cfg->rx_buf_len = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2687                                          HNS3_CFG_RX_BUF_LEN_M,
2688                                          HNS3_CFG_RX_BUF_LEN_S);
2689         /* get mac address */
2690         mac_addr_tmp = rte_le_to_cpu_32(req->param[2]);
2691         mac_addr_tmp_high = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2692                                            HNS3_CFG_MAC_ADDR_H_M,
2693                                            HNS3_CFG_MAC_ADDR_H_S);
2694
2695         mac_addr_tmp |= (mac_addr_tmp_high << 31) << 1;
2696
2697         cfg->default_speed = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2698                                             HNS3_CFG_DEFAULT_SPEED_M,
2699                                             HNS3_CFG_DEFAULT_SPEED_S);
2700         cfg->rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2701                                            HNS3_CFG_RSS_SIZE_M,
2702                                            HNS3_CFG_RSS_SIZE_S);
2703
2704         for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
2705                 cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
2706
2707         req = (struct hns3_cfg_param_cmd *)desc[1].data;
2708         cfg->numa_node_map = rte_le_to_cpu_32(req->param[0]);
2709
2710         cfg->speed_ability = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2711                                             HNS3_CFG_SPEED_ABILITY_M,
2712                                             HNS3_CFG_SPEED_ABILITY_S);
2713         cfg->umv_space = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2714                                         HNS3_CFG_UMV_TBL_SPACE_M,
2715                                         HNS3_CFG_UMV_TBL_SPACE_S);
2716         if (!cfg->umv_space)
2717                 cfg->umv_space = HNS3_DEFAULT_UMV_SPACE_PER_PF;
2718 }
2719
2720 /* hns3_get_board_cfg: query the static parameter from NCL_config file in flash
2721  * @hw: pointer to struct hns3_hw
2722  * @hcfg: the config structure to be getted
2723  */
2724 static int
2725 hns3_get_board_cfg(struct hns3_hw *hw, struct hns3_cfg *hcfg)
2726 {
2727         struct hns3_cmd_desc desc[HNS3_PF_CFG_DESC_NUM];
2728         struct hns3_cfg_param_cmd *req;
2729         uint32_t offset;
2730         uint32_t i;
2731         int ret;
2732
2733         for (i = 0; i < HNS3_PF_CFG_DESC_NUM; i++) {
2734                 offset = 0;
2735                 req = (struct hns3_cfg_param_cmd *)desc[i].data;
2736                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_GET_CFG_PARAM,
2737                                           true);
2738                 hns3_set_field(offset, HNS3_CFG_OFFSET_M, HNS3_CFG_OFFSET_S,
2739                                i * HNS3_CFG_RD_LEN_BYTES);
2740                 /* Len should be divided by 4 when send to hardware */
2741                 hns3_set_field(offset, HNS3_CFG_RD_LEN_M, HNS3_CFG_RD_LEN_S,
2742                                HNS3_CFG_RD_LEN_BYTES / HNS3_CFG_RD_LEN_UNIT);
2743                 req->offset = rte_cpu_to_le_32(offset);
2744         }
2745
2746         ret = hns3_cmd_send(hw, desc, HNS3_PF_CFG_DESC_NUM);
2747         if (ret) {
2748                 PMD_INIT_LOG(ERR, "get config failed %d.", ret);
2749                 return ret;
2750         }
2751
2752         hns3_parse_cfg(hcfg, desc);
2753
2754         return 0;
2755 }
2756
2757 static int
2758 hns3_parse_speed(int speed_cmd, uint32_t *speed)
2759 {
2760         switch (speed_cmd) {
2761         case HNS3_CFG_SPEED_10M:
2762                 *speed = ETH_SPEED_NUM_10M;
2763                 break;
2764         case HNS3_CFG_SPEED_100M:
2765                 *speed = ETH_SPEED_NUM_100M;
2766                 break;
2767         case HNS3_CFG_SPEED_1G:
2768                 *speed = ETH_SPEED_NUM_1G;
2769                 break;
2770         case HNS3_CFG_SPEED_10G:
2771                 *speed = ETH_SPEED_NUM_10G;
2772                 break;
2773         case HNS3_CFG_SPEED_25G:
2774                 *speed = ETH_SPEED_NUM_25G;
2775                 break;
2776         case HNS3_CFG_SPEED_40G:
2777                 *speed = ETH_SPEED_NUM_40G;
2778                 break;
2779         case HNS3_CFG_SPEED_50G:
2780                 *speed = ETH_SPEED_NUM_50G;
2781                 break;
2782         case HNS3_CFG_SPEED_100G:
2783                 *speed = ETH_SPEED_NUM_100G;
2784                 break;
2785         default:
2786                 return -EINVAL;
2787         }
2788
2789         return 0;
2790 }
2791
2792 static int
2793 hns3_get_board_configuration(struct hns3_hw *hw)
2794 {
2795         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2796         struct hns3_pf *pf = &hns->pf;
2797         struct hns3_cfg cfg;
2798         int ret;
2799
2800         ret = hns3_get_board_cfg(hw, &cfg);
2801         if (ret) {
2802                 PMD_INIT_LOG(ERR, "get board config failed %d", ret);
2803                 return ret;
2804         }
2805
2806         if (cfg.media_type == HNS3_MEDIA_TYPE_COPPER) {
2807                 PMD_INIT_LOG(ERR, "media type is copper, not supported.");
2808                 return -EOPNOTSUPP;
2809         }
2810
2811         hw->mac.media_type = cfg.media_type;
2812         hw->rss_size_max = cfg.rss_size_max;
2813         hw->rss_dis_flag = false;
2814         hw->rx_buf_len = cfg.rx_buf_len;
2815         memcpy(hw->mac.mac_addr, cfg.mac_addr, RTE_ETHER_ADDR_LEN);
2816         hw->mac.phy_addr = cfg.phy_addr;
2817         hw->mac.default_addr_setted = false;
2818         hw->num_tx_desc = cfg.tqp_desc_num;
2819         hw->num_rx_desc = cfg.tqp_desc_num;
2820         hw->dcb_info.num_pg = 1;
2821         hw->dcb_info.hw_pfc_map = 0;
2822
2823         ret = hns3_parse_speed(cfg.default_speed, &hw->mac.link_speed);
2824         if (ret) {
2825                 PMD_INIT_LOG(ERR, "Get wrong speed %d, ret = %d",
2826                              cfg.default_speed, ret);
2827                 return ret;
2828         }
2829
2830         pf->tc_max = cfg.tc_num;
2831         if (pf->tc_max > HNS3_MAX_TC_NUM || pf->tc_max < 1) {
2832                 PMD_INIT_LOG(WARNING,
2833                              "Get TC num(%u) from flash, set TC num to 1",
2834                              pf->tc_max);
2835                 pf->tc_max = 1;
2836         }
2837
2838         /* Dev does not support DCB */
2839         if (!hns3_dev_dcb_supported(hw)) {
2840                 pf->tc_max = 1;
2841                 pf->pfc_max = 0;
2842         } else
2843                 pf->pfc_max = pf->tc_max;
2844
2845         hw->dcb_info.num_tc = 1;
2846         hw->alloc_rss_size = RTE_MIN(hw->rss_size_max,
2847                                      hw->tqps_num / hw->dcb_info.num_tc);
2848         hns3_set_bit(hw->hw_tc_map, 0, 1);
2849         pf->tx_sch_mode = HNS3_FLAG_TC_BASE_SCH_MODE;
2850
2851         pf->wanted_umv_size = cfg.umv_space;
2852
2853         return ret;
2854 }
2855
2856 static int
2857 hns3_get_configuration(struct hns3_hw *hw)
2858 {
2859         int ret;
2860
2861         ret = hns3_query_function_status(hw);
2862         if (ret) {
2863                 PMD_INIT_LOG(ERR, "Failed to query function status: %d.", ret);
2864                 return ret;
2865         }
2866
2867         /* Get pf resource */
2868         ret = hns3_query_pf_resource(hw);
2869         if (ret) {
2870                 PMD_INIT_LOG(ERR, "Failed to query pf resource: %d", ret);
2871                 return ret;
2872         }
2873
2874         ret = hns3_get_board_configuration(hw);
2875         if (ret)
2876                 PMD_INIT_LOG(ERR, "Failed to get board configuration: %d", ret);
2877
2878         return ret;
2879 }
2880
2881 static int
2882 hns3_map_tqps_to_func(struct hns3_hw *hw, uint16_t func_id, uint16_t tqp_pid,
2883                       uint16_t tqp_vid, bool is_pf)
2884 {
2885         struct hns3_tqp_map_cmd *req;
2886         struct hns3_cmd_desc desc;
2887         int ret;
2888
2889         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SET_TQP_MAP, false);
2890
2891         req = (struct hns3_tqp_map_cmd *)desc.data;
2892         req->tqp_id = rte_cpu_to_le_16(tqp_pid);
2893         req->tqp_vf = func_id;
2894         req->tqp_flag = 1 << HNS3_TQP_MAP_EN_B;
2895         if (!is_pf)
2896                 req->tqp_flag |= (1 << HNS3_TQP_MAP_TYPE_B);
2897         req->tqp_vid = rte_cpu_to_le_16(tqp_vid);
2898
2899         ret = hns3_cmd_send(hw, &desc, 1);
2900         if (ret)
2901                 PMD_INIT_LOG(ERR, "TQP map failed %d", ret);
2902
2903         return ret;
2904 }
2905
2906 static int
2907 hns3_map_tqp(struct hns3_hw *hw)
2908 {
2909         uint16_t tqps_num = hw->total_tqps_num;
2910         uint16_t func_id;
2911         uint16_t tqp_id;
2912         bool is_pf;
2913         int num;
2914         int ret;
2915         int i;
2916
2917         /*
2918          * In current version VF is not supported when PF is driven by DPDK
2919          * driver, so we allocate tqps to PF as much as possible.
2920          */
2921         tqp_id = 0;
2922         num = DIV_ROUND_UP(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
2923         for (func_id = HNS3_PF_FUNC_ID; func_id < num; func_id++) {
2924                 is_pf = func_id == HNS3_PF_FUNC_ID ? true : false;
2925                 for (i = 0;
2926                      i < HNS3_MAX_TQP_NUM_PER_FUNC && tqp_id < tqps_num; i++) {
2927                         ret = hns3_map_tqps_to_func(hw, func_id, tqp_id++, i,
2928                                                     is_pf);
2929                         if (ret)
2930                                 return ret;
2931                 }
2932         }
2933
2934         return 0;
2935 }
2936
2937 static int
2938 hns3_cfg_mac_speed_dup_hw(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
2939 {
2940         struct hns3_config_mac_speed_dup_cmd *req;
2941         struct hns3_cmd_desc desc;
2942         int ret;
2943
2944         req = (struct hns3_config_mac_speed_dup_cmd *)desc.data;
2945
2946         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_SPEED_DUP, false);
2947
2948         hns3_set_bit(req->speed_dup, HNS3_CFG_DUPLEX_B, !!duplex ? 1 : 0);
2949
2950         switch (speed) {
2951         case ETH_SPEED_NUM_10M:
2952                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2953                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10M);
2954                 break;
2955         case ETH_SPEED_NUM_100M:
2956                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2957                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100M);
2958                 break;
2959         case ETH_SPEED_NUM_1G:
2960                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2961                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_1G);
2962                 break;
2963         case ETH_SPEED_NUM_10G:
2964                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2965                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10G);
2966                 break;
2967         case ETH_SPEED_NUM_25G:
2968                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2969                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_25G);
2970                 break;
2971         case ETH_SPEED_NUM_40G:
2972                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2973                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_40G);
2974                 break;
2975         case ETH_SPEED_NUM_50G:
2976                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2977                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_50G);
2978                 break;
2979         case ETH_SPEED_NUM_100G:
2980                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2981                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100G);
2982                 break;
2983         default:
2984                 PMD_INIT_LOG(ERR, "invalid speed (%u)", speed);
2985                 return -EINVAL;
2986         }
2987
2988         hns3_set_bit(req->mac_change_fec_en, HNS3_CFG_MAC_SPEED_CHANGE_EN_B, 1);
2989
2990         ret = hns3_cmd_send(hw, &desc, 1);
2991         if (ret)
2992                 PMD_INIT_LOG(ERR, "mac speed/duplex config cmd failed %d", ret);
2993
2994         return ret;
2995 }
2996
2997 static int
2998 hns3_tx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
2999 {
3000         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3001         struct hns3_pf *pf = &hns->pf;
3002         struct hns3_priv_buf *priv;
3003         uint32_t i, total_size;
3004
3005         total_size = pf->pkt_buf_size;
3006
3007         /* alloc tx buffer for all enabled tc */
3008         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3009                 priv = &buf_alloc->priv_buf[i];
3010
3011                 if (hw->hw_tc_map & BIT(i)) {
3012                         if (total_size < pf->tx_buf_size)
3013                                 return -ENOMEM;
3014
3015                         priv->tx_buf_size = pf->tx_buf_size;
3016                 } else
3017                         priv->tx_buf_size = 0;
3018
3019                 total_size -= priv->tx_buf_size;
3020         }
3021
3022         return 0;
3023 }
3024
3025 static int
3026 hns3_tx_buffer_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3027 {
3028 /* TX buffer size is unit by 128 byte */
3029 #define HNS3_BUF_SIZE_UNIT_SHIFT        7
3030 #define HNS3_BUF_SIZE_UPDATE_EN_MSK     BIT(15)
3031         struct hns3_tx_buff_alloc_cmd *req;
3032         struct hns3_cmd_desc desc;
3033         uint32_t buf_size;
3034         uint32_t i;
3035         int ret;
3036
3037         req = (struct hns3_tx_buff_alloc_cmd *)desc.data;
3038
3039         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TX_BUFF_ALLOC, 0);
3040         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3041                 buf_size = buf_alloc->priv_buf[i].tx_buf_size;
3042
3043                 buf_size = buf_size >> HNS3_BUF_SIZE_UNIT_SHIFT;
3044                 req->tx_pkt_buff[i] = rte_cpu_to_le_16(buf_size |
3045                                                 HNS3_BUF_SIZE_UPDATE_EN_MSK);
3046         }
3047
3048         ret = hns3_cmd_send(hw, &desc, 1);
3049         if (ret)
3050                 PMD_INIT_LOG(ERR, "tx buffer alloc cmd failed %d", ret);
3051
3052         return ret;
3053 }
3054
3055 static int
3056 hns3_get_tc_num(struct hns3_hw *hw)
3057 {
3058         int cnt = 0;
3059         uint8_t i;
3060
3061         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3062                 if (hw->hw_tc_map & BIT(i))
3063                         cnt++;
3064         return cnt;
3065 }
3066
3067 static uint32_t
3068 hns3_get_rx_priv_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3069 {
3070         struct hns3_priv_buf *priv;
3071         uint32_t rx_priv = 0;
3072         int i;
3073
3074         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3075                 priv = &buf_alloc->priv_buf[i];
3076                 if (priv->enable)
3077                         rx_priv += priv->buf_size;
3078         }
3079         return rx_priv;
3080 }
3081
3082 static uint32_t
3083 hns3_get_tx_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3084 {
3085         uint32_t total_tx_size = 0;
3086         uint32_t i;
3087
3088         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3089                 total_tx_size += buf_alloc->priv_buf[i].tx_buf_size;
3090
3091         return total_tx_size;
3092 }
3093
3094 /* Get the number of pfc enabled TCs, which have private buffer */
3095 static int
3096 hns3_get_pfc_priv_num(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3097 {
3098         struct hns3_priv_buf *priv;
3099         int cnt = 0;
3100         uint8_t i;
3101
3102         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3103                 priv = &buf_alloc->priv_buf[i];
3104                 if ((hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3105                         cnt++;
3106         }
3107
3108         return cnt;
3109 }
3110
3111 /* Get the number of pfc disabled TCs, which have private buffer */
3112 static int
3113 hns3_get_no_pfc_priv_num(struct hns3_hw *hw,
3114                          struct hns3_pkt_buf_alloc *buf_alloc)
3115 {
3116         struct hns3_priv_buf *priv;
3117         int cnt = 0;
3118         uint8_t i;
3119
3120         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3121                 priv = &buf_alloc->priv_buf[i];
3122                 if (hw->hw_tc_map & BIT(i) &&
3123                     !(hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3124                         cnt++;
3125         }
3126
3127         return cnt;
3128 }
3129
3130 static bool
3131 hns3_is_rx_buf_ok(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc,
3132                   uint32_t rx_all)
3133 {
3134         uint32_t shared_buf_min, shared_buf_tc, shared_std, hi_thrd, lo_thrd;
3135         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3136         struct hns3_pf *pf = &hns->pf;
3137         uint32_t shared_buf, aligned_mps;
3138         uint32_t rx_priv;
3139         uint8_t tc_num;
3140         uint8_t i;
3141
3142         tc_num = hns3_get_tc_num(hw);
3143         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3144
3145         if (hns3_dev_dcb_supported(hw))
3146                 shared_buf_min = HNS3_BUF_MUL_BY * aligned_mps +
3147                                         pf->dv_buf_size;
3148         else
3149                 shared_buf_min = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF
3150                                         + pf->dv_buf_size;
3151
3152         shared_buf_tc = tc_num * aligned_mps + aligned_mps;
3153         shared_std = roundup(max_t(uint32_t, shared_buf_min, shared_buf_tc),
3154                              HNS3_BUF_SIZE_UNIT);
3155
3156         rx_priv = hns3_get_rx_priv_buff_alloced(buf_alloc);
3157         if (rx_all < rx_priv + shared_std)
3158                 return false;
3159
3160         shared_buf = rounddown(rx_all - rx_priv, HNS3_BUF_SIZE_UNIT);
3161         buf_alloc->s_buf.buf_size = shared_buf;
3162         if (hns3_dev_dcb_supported(hw)) {
3163                 buf_alloc->s_buf.self.high = shared_buf - pf->dv_buf_size;
3164                 buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high
3165                         - roundup(aligned_mps / HNS3_BUF_DIV_BY,
3166                                   HNS3_BUF_SIZE_UNIT);
3167         } else {
3168                 buf_alloc->s_buf.self.high =
3169                         aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3170                 buf_alloc->s_buf.self.low = aligned_mps;
3171         }
3172
3173         if (hns3_dev_dcb_supported(hw)) {
3174                 hi_thrd = shared_buf - pf->dv_buf_size;
3175
3176                 if (tc_num <= NEED_RESERVE_TC_NUM)
3177                         hi_thrd = hi_thrd * BUF_RESERVE_PERCENT
3178                                         / BUF_MAX_PERCENT;
3179
3180                 if (tc_num)
3181                         hi_thrd = hi_thrd / tc_num;
3182
3183                 hi_thrd = max_t(uint32_t, hi_thrd,
3184                                 HNS3_BUF_MUL_BY * aligned_mps);
3185                 hi_thrd = rounddown(hi_thrd, HNS3_BUF_SIZE_UNIT);
3186                 lo_thrd = hi_thrd - aligned_mps / HNS3_BUF_DIV_BY;
3187         } else {
3188                 hi_thrd = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3189                 lo_thrd = aligned_mps;
3190         }
3191
3192         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3193                 buf_alloc->s_buf.tc_thrd[i].low = lo_thrd;
3194                 buf_alloc->s_buf.tc_thrd[i].high = hi_thrd;
3195         }
3196
3197         return true;
3198 }
3199
3200 static bool
3201 hns3_rx_buf_calc_all(struct hns3_hw *hw, bool max,
3202                      struct hns3_pkt_buf_alloc *buf_alloc)
3203 {
3204         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3205         struct hns3_pf *pf = &hns->pf;
3206         struct hns3_priv_buf *priv;
3207         uint32_t aligned_mps;
3208         uint32_t rx_all;
3209         uint8_t i;
3210
3211         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3212         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3213
3214         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3215                 priv = &buf_alloc->priv_buf[i];
3216
3217                 priv->enable = 0;
3218                 priv->wl.low = 0;
3219                 priv->wl.high = 0;
3220                 priv->buf_size = 0;
3221
3222                 if (!(hw->hw_tc_map & BIT(i)))
3223                         continue;
3224
3225                 priv->enable = 1;
3226                 if (hw->dcb_info.hw_pfc_map & BIT(i)) {
3227                         priv->wl.low = max ? aligned_mps : HNS3_BUF_SIZE_UNIT;
3228                         priv->wl.high = roundup(priv->wl.low + aligned_mps,
3229                                                 HNS3_BUF_SIZE_UNIT);
3230                 } else {
3231                         priv->wl.low = 0;
3232                         priv->wl.high = max ? (aligned_mps * HNS3_BUF_MUL_BY) :
3233                                         aligned_mps;
3234                 }
3235
3236                 priv->buf_size = priv->wl.high + pf->dv_buf_size;
3237         }
3238
3239         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3240 }
3241
3242 static bool
3243 hns3_drop_nopfc_buf_till_fit(struct hns3_hw *hw,
3244                              struct hns3_pkt_buf_alloc *buf_alloc)
3245 {
3246         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3247         struct hns3_pf *pf = &hns->pf;
3248         struct hns3_priv_buf *priv;
3249         int no_pfc_priv_num;
3250         uint32_t rx_all;
3251         uint8_t mask;
3252         int i;
3253
3254         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3255         no_pfc_priv_num = hns3_get_no_pfc_priv_num(hw, buf_alloc);
3256
3257         /* let the last to be cleared first */
3258         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3259                 priv = &buf_alloc->priv_buf[i];
3260                 mask = BIT((uint8_t)i);
3261
3262                 if (hw->hw_tc_map & mask &&
3263                     !(hw->dcb_info.hw_pfc_map & mask)) {
3264                         /* Clear the no pfc TC private buffer */
3265                         priv->wl.low = 0;
3266                         priv->wl.high = 0;
3267                         priv->buf_size = 0;
3268                         priv->enable = 0;
3269                         no_pfc_priv_num--;
3270                 }
3271
3272                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3273                     no_pfc_priv_num == 0)
3274                         break;
3275         }
3276
3277         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3278 }
3279
3280 static bool
3281 hns3_drop_pfc_buf_till_fit(struct hns3_hw *hw,
3282                            struct hns3_pkt_buf_alloc *buf_alloc)
3283 {
3284         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3285         struct hns3_pf *pf = &hns->pf;
3286         struct hns3_priv_buf *priv;
3287         uint32_t rx_all;
3288         int pfc_priv_num;
3289         uint8_t mask;
3290         int i;
3291
3292         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3293         pfc_priv_num = hns3_get_pfc_priv_num(hw, buf_alloc);
3294
3295         /* let the last to be cleared first */
3296         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3297                 priv = &buf_alloc->priv_buf[i];
3298                 mask = BIT((uint8_t)i);
3299
3300                 if (hw->hw_tc_map & mask &&
3301                     hw->dcb_info.hw_pfc_map & mask) {
3302                         /* Reduce the number of pfc TC with private buffer */
3303                         priv->wl.low = 0;
3304                         priv->enable = 0;
3305                         priv->wl.high = 0;
3306                         priv->buf_size = 0;
3307                         pfc_priv_num--;
3308                 }
3309                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3310                     pfc_priv_num == 0)
3311                         break;
3312         }
3313
3314         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3315 }
3316
3317 static bool
3318 hns3_only_alloc_priv_buff(struct hns3_hw *hw,
3319                           struct hns3_pkt_buf_alloc *buf_alloc)
3320 {
3321 #define COMPENSATE_BUFFER       0x3C00
3322 #define COMPENSATE_HALF_MPS_NUM 5
3323 #define PRIV_WL_GAP             0x1800
3324         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3325         struct hns3_pf *pf = &hns->pf;
3326         uint32_t tc_num = hns3_get_tc_num(hw);
3327         uint32_t half_mps = pf->mps >> 1;
3328         struct hns3_priv_buf *priv;
3329         uint32_t min_rx_priv;
3330         uint32_t rx_priv;
3331         uint8_t i;
3332
3333         rx_priv = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3334         if (tc_num)
3335                 rx_priv = rx_priv / tc_num;
3336
3337         if (tc_num <= NEED_RESERVE_TC_NUM)
3338                 rx_priv = rx_priv * BUF_RESERVE_PERCENT / BUF_MAX_PERCENT;
3339
3340         /*
3341          * Minimum value of private buffer in rx direction (min_rx_priv) is
3342          * equal to "DV + 2.5 * MPS + 15KB". Driver only allocates rx private
3343          * buffer if rx_priv is greater than min_rx_priv.
3344          */
3345         min_rx_priv = pf->dv_buf_size + COMPENSATE_BUFFER +
3346                         COMPENSATE_HALF_MPS_NUM * half_mps;
3347         min_rx_priv = roundup(min_rx_priv, HNS3_BUF_SIZE_UNIT);
3348         rx_priv = rounddown(rx_priv, HNS3_BUF_SIZE_UNIT);
3349
3350         if (rx_priv < min_rx_priv)
3351                 return false;
3352
3353         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3354                 priv = &buf_alloc->priv_buf[i];
3355
3356                 priv->enable = 0;
3357                 priv->wl.low = 0;
3358                 priv->wl.high = 0;
3359                 priv->buf_size = 0;
3360
3361                 if (!(hw->hw_tc_map & BIT(i)))
3362                         continue;
3363
3364                 priv->enable = 1;
3365                 priv->buf_size = rx_priv;
3366                 priv->wl.high = rx_priv - pf->dv_buf_size;
3367                 priv->wl.low = priv->wl.high - PRIV_WL_GAP;
3368         }
3369
3370         buf_alloc->s_buf.buf_size = 0;
3371
3372         return true;
3373 }
3374
3375 /*
3376  * hns3_rx_buffer_calc: calculate the rx private buffer size for all TCs
3377  * @hw: pointer to struct hns3_hw
3378  * @buf_alloc: pointer to buffer calculation data
3379  * @return: 0: calculate sucessful, negative: fail
3380  */
3381 static int
3382 hns3_rx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3383 {
3384         /* When DCB is not supported, rx private buffer is not allocated. */
3385         if (!hns3_dev_dcb_supported(hw)) {
3386                 struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3387                 struct hns3_pf *pf = &hns->pf;
3388                 uint32_t rx_all = pf->pkt_buf_size;
3389
3390                 rx_all -= hns3_get_tx_buff_alloced(buf_alloc);
3391                 if (!hns3_is_rx_buf_ok(hw, buf_alloc, rx_all))
3392                         return -ENOMEM;
3393
3394                 return 0;
3395         }
3396
3397         /*
3398          * Try to allocate privated packet buffer for all TCs without share
3399          * buffer.
3400          */
3401         if (hns3_only_alloc_priv_buff(hw, buf_alloc))
3402                 return 0;
3403
3404         /*
3405          * Try to allocate privated packet buffer for all TCs with share
3406          * buffer.
3407          */
3408         if (hns3_rx_buf_calc_all(hw, true, buf_alloc))
3409                 return 0;
3410
3411         /*
3412          * For different application scenes, the enabled port number, TC number
3413          * and no_drop TC number are different. In order to obtain the better
3414          * performance, software could allocate the buffer size and configure
3415          * the waterline by tring to decrease the private buffer size according
3416          * to the order, namely, waterline of valided tc, pfc disabled tc, pfc
3417          * enabled tc.
3418          */
3419         if (hns3_rx_buf_calc_all(hw, false, buf_alloc))
3420                 return 0;
3421
3422         if (hns3_drop_nopfc_buf_till_fit(hw, buf_alloc))
3423                 return 0;
3424
3425         if (hns3_drop_pfc_buf_till_fit(hw, buf_alloc))
3426                 return 0;
3427
3428         return -ENOMEM;
3429 }
3430
3431 static int
3432 hns3_rx_priv_buf_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3433 {
3434         struct hns3_rx_priv_buff_cmd *req;
3435         struct hns3_cmd_desc desc;
3436         uint32_t buf_size;
3437         int ret;
3438         int i;
3439
3440         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_PRIV_BUFF_ALLOC, false);
3441         req = (struct hns3_rx_priv_buff_cmd *)desc.data;
3442
3443         /* Alloc private buffer TCs */
3444         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3445                 struct hns3_priv_buf *priv = &buf_alloc->priv_buf[i];
3446
3447                 req->buf_num[i] =
3448                         rte_cpu_to_le_16(priv->buf_size >> HNS3_BUF_UNIT_S);
3449                 req->buf_num[i] |= rte_cpu_to_le_16(1 << HNS3_TC0_PRI_BUF_EN_B);
3450         }
3451
3452         buf_size = buf_alloc->s_buf.buf_size;
3453         req->shared_buf = rte_cpu_to_le_16((buf_size >> HNS3_BUF_UNIT_S) |
3454                                            (1 << HNS3_TC0_PRI_BUF_EN_B));
3455
3456         ret = hns3_cmd_send(hw, &desc, 1);
3457         if (ret)
3458                 PMD_INIT_LOG(ERR, "rx private buffer alloc cmd failed %d", ret);
3459
3460         return ret;
3461 }
3462
3463 static int
3464 hns3_rx_priv_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3465 {
3466 #define HNS3_RX_PRIV_WL_ALLOC_DESC_NUM 2
3467         struct hns3_rx_priv_wl_buf *req;
3468         struct hns3_priv_buf *priv;
3469         struct hns3_cmd_desc desc[HNS3_RX_PRIV_WL_ALLOC_DESC_NUM];
3470         int i, j;
3471         int ret;
3472
3473         for (i = 0; i < HNS3_RX_PRIV_WL_ALLOC_DESC_NUM; i++) {
3474                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_PRIV_WL_ALLOC,
3475                                           false);
3476                 req = (struct hns3_rx_priv_wl_buf *)desc[i].data;
3477
3478                 /* The first descriptor set the NEXT bit to 1 */
3479                 if (i == 0)
3480                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3481                 else
3482                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3483
3484                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3485                         uint32_t idx = i * HNS3_TC_NUM_ONE_DESC + j;
3486
3487                         priv = &buf_alloc->priv_buf[idx];
3488                         req->tc_wl[j].high = rte_cpu_to_le_16(priv->wl.high >>
3489                                                         HNS3_BUF_UNIT_S);
3490                         req->tc_wl[j].high |=
3491                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3492                         req->tc_wl[j].low = rte_cpu_to_le_16(priv->wl.low >>
3493                                                         HNS3_BUF_UNIT_S);
3494                         req->tc_wl[j].low |=
3495                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3496                 }
3497         }
3498
3499         /* Send 2 descriptor at one time */
3500         ret = hns3_cmd_send(hw, desc, HNS3_RX_PRIV_WL_ALLOC_DESC_NUM);
3501         if (ret)
3502                 PMD_INIT_LOG(ERR, "rx private waterline config cmd failed %d",
3503                              ret);
3504         return ret;
3505 }
3506
3507 static int
3508 hns3_common_thrd_config(struct hns3_hw *hw,
3509                         struct hns3_pkt_buf_alloc *buf_alloc)
3510 {
3511 #define HNS3_RX_COM_THRD_ALLOC_DESC_NUM 2
3512         struct hns3_shared_buf *s_buf = &buf_alloc->s_buf;
3513         struct hns3_rx_com_thrd *req;
3514         struct hns3_cmd_desc desc[HNS3_RX_COM_THRD_ALLOC_DESC_NUM];
3515         struct hns3_tc_thrd *tc;
3516         int tc_idx;
3517         int i, j;
3518         int ret;
3519
3520         for (i = 0; i < HNS3_RX_COM_THRD_ALLOC_DESC_NUM; i++) {
3521                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_COM_THRD_ALLOC,
3522                                           false);
3523                 req = (struct hns3_rx_com_thrd *)&desc[i].data;
3524
3525                 /* The first descriptor set the NEXT bit to 1 */
3526                 if (i == 0)
3527                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3528                 else
3529                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3530
3531                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3532                         tc_idx = i * HNS3_TC_NUM_ONE_DESC + j;
3533                         tc = &s_buf->tc_thrd[tc_idx];
3534
3535                         req->com_thrd[j].high =
3536                                 rte_cpu_to_le_16(tc->high >> HNS3_BUF_UNIT_S);
3537                         req->com_thrd[j].high |=
3538                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3539                         req->com_thrd[j].low =
3540                                 rte_cpu_to_le_16(tc->low >> HNS3_BUF_UNIT_S);
3541                         req->com_thrd[j].low |=
3542                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3543                 }
3544         }
3545
3546         /* Send 2 descriptors at one time */
3547         ret = hns3_cmd_send(hw, desc, HNS3_RX_COM_THRD_ALLOC_DESC_NUM);
3548         if (ret)
3549                 PMD_INIT_LOG(ERR, "common threshold config cmd failed %d", ret);
3550
3551         return ret;
3552 }
3553
3554 static int
3555 hns3_common_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3556 {
3557         struct hns3_shared_buf *buf = &buf_alloc->s_buf;
3558         struct hns3_rx_com_wl *req;
3559         struct hns3_cmd_desc desc;
3560         int ret;
3561
3562         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_COM_WL_ALLOC, false);
3563
3564         req = (struct hns3_rx_com_wl *)desc.data;
3565         req->com_wl.high = rte_cpu_to_le_16(buf->self.high >> HNS3_BUF_UNIT_S);
3566         req->com_wl.high |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3567
3568         req->com_wl.low = rte_cpu_to_le_16(buf->self.low >> HNS3_BUF_UNIT_S);
3569         req->com_wl.low |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3570
3571         ret = hns3_cmd_send(hw, &desc, 1);
3572         if (ret)
3573                 PMD_INIT_LOG(ERR, "common waterline config cmd failed %d", ret);
3574
3575         return ret;
3576 }
3577
3578 int
3579 hns3_buffer_alloc(struct hns3_hw *hw)
3580 {
3581         struct hns3_pkt_buf_alloc pkt_buf;
3582         int ret;
3583
3584         memset(&pkt_buf, 0, sizeof(pkt_buf));
3585         ret = hns3_tx_buffer_calc(hw, &pkt_buf);
3586         if (ret) {
3587                 PMD_INIT_LOG(ERR,
3588                              "could not calc tx buffer size for all TCs %d",
3589                              ret);
3590                 return ret;
3591         }
3592
3593         ret = hns3_tx_buffer_alloc(hw, &pkt_buf);
3594         if (ret) {
3595                 PMD_INIT_LOG(ERR, "could not alloc tx buffers %d", ret);
3596                 return ret;
3597         }
3598
3599         ret = hns3_rx_buffer_calc(hw, &pkt_buf);
3600         if (ret) {
3601                 PMD_INIT_LOG(ERR,
3602                              "could not calc rx priv buffer size for all TCs %d",
3603                              ret);
3604                 return ret;
3605         }
3606
3607         ret = hns3_rx_priv_buf_alloc(hw, &pkt_buf);
3608         if (ret) {
3609                 PMD_INIT_LOG(ERR, "could not alloc rx priv buffer %d", ret);
3610                 return ret;
3611         }
3612
3613         if (hns3_dev_dcb_supported(hw)) {
3614                 ret = hns3_rx_priv_wl_config(hw, &pkt_buf);
3615                 if (ret) {
3616                         PMD_INIT_LOG(ERR,
3617                                      "could not configure rx private waterline %d",
3618                                      ret);
3619                         return ret;
3620                 }
3621
3622                 ret = hns3_common_thrd_config(hw, &pkt_buf);
3623                 if (ret) {
3624                         PMD_INIT_LOG(ERR,
3625                                      "could not configure common threshold %d",
3626                                      ret);
3627                         return ret;
3628                 }
3629         }
3630
3631         ret = hns3_common_wl_config(hw, &pkt_buf);
3632         if (ret)
3633                 PMD_INIT_LOG(ERR, "could not configure common waterline %d",
3634                              ret);
3635
3636         return ret;
3637 }
3638
3639 static int
3640 hns3_mac_init(struct hns3_hw *hw)
3641 {
3642         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3643         struct hns3_mac *mac = &hw->mac;
3644         struct hns3_pf *pf = &hns->pf;
3645         int ret;
3646
3647         pf->support_sfp_query = true;
3648         mac->link_duplex = ETH_LINK_FULL_DUPLEX;
3649         ret = hns3_cfg_mac_speed_dup_hw(hw, mac->link_speed, mac->link_duplex);
3650         if (ret) {
3651                 PMD_INIT_LOG(ERR, "Config mac speed dup fail ret = %d", ret);
3652                 return ret;
3653         }
3654
3655         mac->link_status = ETH_LINK_DOWN;
3656
3657         return hns3_config_mtu(hw, pf->mps);
3658 }
3659
3660 static int
3661 hns3_get_mac_ethertype_cmd_status(uint16_t cmdq_resp, uint8_t resp_code)
3662 {
3663 #define HNS3_ETHERTYPE_SUCCESS_ADD              0
3664 #define HNS3_ETHERTYPE_ALREADY_ADD              1
3665 #define HNS3_ETHERTYPE_MGR_TBL_OVERFLOW         2
3666 #define HNS3_ETHERTYPE_KEY_CONFLICT             3
3667         int return_status;
3668
3669         if (cmdq_resp) {
3670                 PMD_INIT_LOG(ERR,
3671                              "cmdq execute failed for get_mac_ethertype_cmd_status, status=%d.\n",
3672                              cmdq_resp);
3673                 return -EIO;
3674         }
3675
3676         switch (resp_code) {
3677         case HNS3_ETHERTYPE_SUCCESS_ADD:
3678         case HNS3_ETHERTYPE_ALREADY_ADD:
3679                 return_status = 0;
3680                 break;
3681         case HNS3_ETHERTYPE_MGR_TBL_OVERFLOW:
3682                 PMD_INIT_LOG(ERR,
3683                              "add mac ethertype failed for manager table overflow.");
3684                 return_status = -EIO;
3685                 break;
3686         case HNS3_ETHERTYPE_KEY_CONFLICT:
3687                 PMD_INIT_LOG(ERR, "add mac ethertype failed for key conflict.");
3688                 return_status = -EIO;
3689                 break;
3690         default:
3691                 PMD_INIT_LOG(ERR,
3692                              "add mac ethertype failed for undefined, code=%d.",
3693                              resp_code);
3694                 return_status = -EIO;
3695                 break;
3696         }
3697
3698         return return_status;
3699 }
3700
3701 static int
3702 hns3_add_mgr_tbl(struct hns3_hw *hw,
3703                  const struct hns3_mac_mgr_tbl_entry_cmd *req)
3704 {
3705         struct hns3_cmd_desc desc;
3706         uint8_t resp_code;
3707         uint16_t retval;
3708         int ret;
3709
3710         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_ETHTYPE_ADD, false);
3711         memcpy(desc.data, req, sizeof(struct hns3_mac_mgr_tbl_entry_cmd));
3712
3713         ret = hns3_cmd_send(hw, &desc, 1);
3714         if (ret) {
3715                 PMD_INIT_LOG(ERR,
3716                              "add mac ethertype failed for cmd_send, ret =%d.",
3717                              ret);
3718                 return ret;
3719         }
3720
3721         resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
3722         retval = rte_le_to_cpu_16(desc.retval);
3723
3724         return hns3_get_mac_ethertype_cmd_status(retval, resp_code);
3725 }
3726
3727 static void
3728 hns3_prepare_mgr_tbl(struct hns3_mac_mgr_tbl_entry_cmd *mgr_table,
3729                      int *table_item_num)
3730 {
3731         struct hns3_mac_mgr_tbl_entry_cmd *tbl;
3732
3733         /*
3734          * In current version, we add one item in management table as below:
3735          * 0x0180C200000E -- LLDP MC address
3736          */
3737         tbl = mgr_table;
3738         tbl->flags = HNS3_MAC_MGR_MASK_VLAN_B;
3739         tbl->ethter_type = rte_cpu_to_le_16(HNS3_MAC_ETHERTYPE_LLDP);
3740         tbl->mac_addr_hi32 = rte_cpu_to_le_32(htonl(0x0180C200));
3741         tbl->mac_addr_lo16 = rte_cpu_to_le_16(htons(0x000E));
3742         tbl->i_port_bitmap = 0x1;
3743         *table_item_num = 1;
3744 }
3745
3746 static int
3747 hns3_init_mgr_tbl(struct hns3_hw *hw)
3748 {
3749 #define HNS_MAC_MGR_TBL_MAX_SIZE        16
3750         struct hns3_mac_mgr_tbl_entry_cmd mgr_table[HNS_MAC_MGR_TBL_MAX_SIZE];
3751         int table_item_num;
3752         int ret;
3753         int i;
3754
3755         memset(mgr_table, 0, sizeof(mgr_table));
3756         hns3_prepare_mgr_tbl(mgr_table, &table_item_num);
3757         for (i = 0; i < table_item_num; i++) {
3758                 ret = hns3_add_mgr_tbl(hw, &mgr_table[i]);
3759                 if (ret) {
3760                         PMD_INIT_LOG(ERR, "add mac ethertype failed, ret =%d",
3761                                      ret);
3762                         return ret;
3763                 }
3764         }
3765
3766         return 0;
3767 }
3768
3769 static void
3770 hns3_promisc_param_init(struct hns3_promisc_param *param, bool en_uc,
3771                         bool en_mc, bool en_bc, int vport_id)
3772 {
3773         if (!param)
3774                 return;
3775
3776         memset(param, 0, sizeof(struct hns3_promisc_param));
3777         if (en_uc)
3778                 param->enable = HNS3_PROMISC_EN_UC;
3779         if (en_mc)
3780                 param->enable |= HNS3_PROMISC_EN_MC;
3781         if (en_bc)
3782                 param->enable |= HNS3_PROMISC_EN_BC;
3783         param->vf_id = vport_id;
3784 }
3785
3786 static int
3787 hns3_cmd_set_promisc_mode(struct hns3_hw *hw, struct hns3_promisc_param *param)
3788 {
3789         struct hns3_promisc_cfg_cmd *req;
3790         struct hns3_cmd_desc desc;
3791         int ret;
3792
3793         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_PROMISC_MODE, false);
3794
3795         req = (struct hns3_promisc_cfg_cmd *)desc.data;
3796         req->vf_id = param->vf_id;
3797         req->flag = (param->enable << HNS3_PROMISC_EN_B) |
3798             HNS3_PROMISC_TX_EN_B | HNS3_PROMISC_RX_EN_B;
3799
3800         ret = hns3_cmd_send(hw, &desc, 1);
3801         if (ret)
3802                 PMD_INIT_LOG(ERR, "Set promisc mode fail, ret = %d", ret);
3803
3804         return ret;
3805 }
3806
3807 static int
3808 hns3_set_promisc_mode(struct hns3_hw *hw, bool en_uc_pmc, bool en_mc_pmc)
3809 {
3810         struct hns3_promisc_param param;
3811         bool en_bc_pmc = true;
3812         uint8_t vf_id;
3813
3814         /*
3815          * In current version VF is not supported when PF is driven by DPDK
3816          * driver, just need to configure parameters for PF vport.
3817          */
3818         vf_id = HNS3_PF_FUNC_ID;
3819
3820         hns3_promisc_param_init(&param, en_uc_pmc, en_mc_pmc, en_bc_pmc, vf_id);
3821         return hns3_cmd_set_promisc_mode(hw, &param);
3822 }
3823
3824 static int
3825 hns3_promisc_init(struct hns3_hw *hw)
3826 {
3827         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3828         struct hns3_pf *pf = &hns->pf;
3829         struct hns3_promisc_param param;
3830         uint16_t func_id;
3831         int ret;
3832
3833         ret = hns3_set_promisc_mode(hw, false, false);
3834         if (ret) {
3835                 PMD_INIT_LOG(ERR, "failed to set promisc mode, ret = %d", ret);
3836                 return ret;
3837         }
3838
3839         /*
3840          * In current version VFs are not supported when PF is driven by DPDK
3841          * driver. After PF has been taken over by DPDK, the original VF will
3842          * be invalid. So, there is a possibility of entry residues. It should
3843          * clear VFs's promisc mode to avoid unnecessary bandwidth usage
3844          * during init.
3845          */
3846         for (func_id = HNS3_1ST_VF_FUNC_ID; func_id < pf->func_num; func_id++) {
3847                 hns3_promisc_param_init(&param, false, false, false, func_id);
3848                 ret = hns3_cmd_set_promisc_mode(hw, &param);
3849                 if (ret) {
3850                         PMD_INIT_LOG(ERR, "failed to clear vf:%d promisc mode,"
3851                                         " ret = %d", func_id, ret);
3852                         return ret;
3853                 }
3854         }
3855
3856         return 0;
3857 }
3858
3859 static void
3860 hns3_promisc_uninit(struct hns3_hw *hw)
3861 {
3862         struct hns3_promisc_param param;
3863         uint16_t func_id;
3864         int ret;
3865
3866         func_id = HNS3_PF_FUNC_ID;
3867
3868         /*
3869          * In current version VFs are not supported when PF is driven by
3870          * DPDK driver, and VFs' promisc mode status has been cleared during
3871          * init and their status will not change. So just clear PF's promisc
3872          * mode status during uninit.
3873          */
3874         hns3_promisc_param_init(&param, false, false, false, func_id);
3875         ret = hns3_cmd_set_promisc_mode(hw, &param);
3876         if (ret)
3877                 PMD_INIT_LOG(ERR, "failed to clear promisc status during"
3878                                 " uninit, ret = %d", ret);
3879 }
3880
3881 static int
3882 hns3_dev_promiscuous_enable(struct rte_eth_dev *dev)
3883 {
3884         bool allmulti = dev->data->all_multicast ? true : false;
3885         struct hns3_adapter *hns = dev->data->dev_private;
3886         struct hns3_hw *hw = &hns->hw;
3887         uint64_t offloads;
3888         int err;
3889         int ret;
3890
3891         rte_spinlock_lock(&hw->lock);
3892         ret = hns3_set_promisc_mode(hw, true, true);
3893         if (ret) {
3894                 rte_spinlock_unlock(&hw->lock);
3895                 hns3_err(hw, "failed to enable promiscuous mode, ret = %d",
3896                          ret);
3897                 return ret;
3898         }
3899
3900         /*
3901          * When promiscuous mode was enabled, disable the vlan filter to let
3902          * all packets coming in in the receiving direction.
3903          */
3904         offloads = dev->data->dev_conf.rxmode.offloads;
3905         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
3906                 ret = hns3_enable_vlan_filter(hns, false);
3907                 if (ret) {
3908                         hns3_err(hw, "failed to enable promiscuous mode due to "
3909                                      "failure to disable vlan filter, ret = %d",
3910                                  ret);
3911                         err = hns3_set_promisc_mode(hw, false, allmulti);
3912                         if (err)
3913                                 hns3_err(hw, "failed to restore promiscuous "
3914                                          "status after disable vlan filter "
3915                                          "failed during enabling promiscuous "
3916                                          "mode, ret = %d", ret);
3917                 }
3918         }
3919
3920         rte_spinlock_unlock(&hw->lock);
3921
3922         return ret;
3923 }
3924
3925 static int
3926 hns3_dev_promiscuous_disable(struct rte_eth_dev *dev)
3927 {
3928         bool allmulti = dev->data->all_multicast ? true : false;
3929         struct hns3_adapter *hns = dev->data->dev_private;
3930         struct hns3_hw *hw = &hns->hw;
3931         uint64_t offloads;
3932         int err;
3933         int ret;
3934
3935         /* If now in all_multicast mode, must remain in all_multicast mode. */
3936         rte_spinlock_lock(&hw->lock);
3937         ret = hns3_set_promisc_mode(hw, false, allmulti);
3938         if (ret) {
3939                 rte_spinlock_unlock(&hw->lock);
3940                 hns3_err(hw, "failed to disable promiscuous mode, ret = %d",
3941                          ret);
3942                 return ret;
3943         }
3944         /* when promiscuous mode was disabled, restore the vlan filter status */
3945         offloads = dev->data->dev_conf.rxmode.offloads;
3946         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
3947                 ret = hns3_enable_vlan_filter(hns, true);
3948                 if (ret) {
3949                         hns3_err(hw, "failed to disable promiscuous mode due to"
3950                                  " failure to restore vlan filter, ret = %d",
3951                                  ret);
3952                         err = hns3_set_promisc_mode(hw, true, true);
3953                         if (err)
3954                                 hns3_err(hw, "failed to restore promiscuous "
3955                                          "status after enabling vlan filter "
3956                                          "failed during disabling promiscuous "
3957                                          "mode, ret = %d", ret);
3958                 }
3959         }
3960         rte_spinlock_unlock(&hw->lock);
3961
3962         return ret;
3963 }
3964
3965 static int
3966 hns3_dev_allmulticast_enable(struct rte_eth_dev *dev)
3967 {
3968         struct hns3_adapter *hns = dev->data->dev_private;
3969         struct hns3_hw *hw = &hns->hw;
3970         int ret;
3971
3972         if (dev->data->promiscuous)
3973                 return 0;
3974
3975         rte_spinlock_lock(&hw->lock);
3976         ret = hns3_set_promisc_mode(hw, false, true);
3977         rte_spinlock_unlock(&hw->lock);
3978         if (ret)
3979                 hns3_err(hw, "failed to enable allmulticast mode, ret = %d",
3980                          ret);
3981
3982         return ret;
3983 }
3984
3985 static int
3986 hns3_dev_allmulticast_disable(struct rte_eth_dev *dev)
3987 {
3988         struct hns3_adapter *hns = dev->data->dev_private;
3989         struct hns3_hw *hw = &hns->hw;
3990         int ret;
3991
3992         /* If now in promiscuous mode, must remain in all_multicast mode. */
3993         if (dev->data->promiscuous)
3994                 return 0;
3995
3996         rte_spinlock_lock(&hw->lock);
3997         ret = hns3_set_promisc_mode(hw, false, false);
3998         rte_spinlock_unlock(&hw->lock);
3999         if (ret)
4000                 hns3_err(hw, "failed to disable allmulticast mode, ret = %d",
4001                          ret);
4002
4003         return ret;
4004 }
4005
4006 static int
4007 hns3_dev_promisc_restore(struct hns3_adapter *hns)
4008 {
4009         struct hns3_hw *hw = &hns->hw;
4010         bool allmulti = hw->data->all_multicast ? true : false;
4011         int ret;
4012
4013         if (hw->data->promiscuous) {
4014                 ret = hns3_set_promisc_mode(hw, true, true);
4015                 if (ret)
4016                         hns3_err(hw, "failed to restore promiscuous mode, "
4017                                  "ret = %d", ret);
4018                 return ret;
4019         }
4020
4021         ret = hns3_set_promisc_mode(hw, false, allmulti);
4022         if (ret)
4023                 hns3_err(hw, "failed to restore allmulticast mode, ret = %d",
4024                          ret);
4025         return ret;
4026 }
4027
4028 static int
4029 hns3_get_sfp_speed(struct hns3_hw *hw, uint32_t *speed)
4030 {
4031         struct hns3_sfp_speed_cmd *resp;
4032         struct hns3_cmd_desc desc;
4033         int ret;
4034
4035         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
4036         resp = (struct hns3_sfp_speed_cmd *)desc.data;
4037         ret = hns3_cmd_send(hw, &desc, 1);
4038         if (ret == -EOPNOTSUPP) {
4039                 hns3_err(hw, "IMP do not support get SFP speed %d", ret);
4040                 return ret;
4041         } else if (ret) {
4042                 hns3_err(hw, "get sfp speed failed %d", ret);
4043                 return ret;
4044         }
4045
4046         *speed = resp->sfp_speed;
4047
4048         return 0;
4049 }
4050
4051 static uint8_t
4052 hns3_check_speed_dup(uint8_t duplex, uint32_t speed)
4053 {
4054         if (!(speed == ETH_SPEED_NUM_10M || speed == ETH_SPEED_NUM_100M))
4055                 duplex = ETH_LINK_FULL_DUPLEX;
4056
4057         return duplex;
4058 }
4059
4060 static int
4061 hns3_cfg_mac_speed_dup(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
4062 {
4063         struct hns3_mac *mac = &hw->mac;
4064         int ret;
4065
4066         duplex = hns3_check_speed_dup(duplex, speed);
4067         if (mac->link_speed == speed && mac->link_duplex == duplex)
4068                 return 0;
4069
4070         ret = hns3_cfg_mac_speed_dup_hw(hw, speed, duplex);
4071         if (ret)
4072                 return ret;
4073
4074         mac->link_speed = speed;
4075         mac->link_duplex = duplex;
4076
4077         return 0;
4078 }
4079
4080 static int
4081 hns3_update_speed_duplex(struct rte_eth_dev *eth_dev)
4082 {
4083         struct hns3_adapter *hns = eth_dev->data->dev_private;
4084         struct hns3_hw *hw = &hns->hw;
4085         struct hns3_pf *pf = &hns->pf;
4086         uint32_t speed;
4087         int ret;
4088
4089         /* If IMP do not support get SFP/qSFP speed, return directly */
4090         if (!pf->support_sfp_query)
4091                 return 0;
4092
4093         ret = hns3_get_sfp_speed(hw, &speed);
4094         if (ret == -EOPNOTSUPP) {
4095                 pf->support_sfp_query = false;
4096                 return ret;
4097         } else if (ret)
4098                 return ret;
4099
4100         if (speed == ETH_SPEED_NUM_NONE)
4101                 return 0; /* do nothing if no SFP */
4102
4103         /* Config full duplex for SFP */
4104         return hns3_cfg_mac_speed_dup(hw, speed, ETH_LINK_FULL_DUPLEX);
4105 }
4106
4107 static int
4108 hns3_cfg_mac_mode(struct hns3_hw *hw, bool enable)
4109 {
4110         struct hns3_config_mac_mode_cmd *req;
4111         struct hns3_cmd_desc desc;
4112         uint32_t loop_en = 0;
4113         uint8_t val = 0;
4114         int ret;
4115
4116         req = (struct hns3_config_mac_mode_cmd *)desc.data;
4117
4118         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAC_MODE, false);
4119         if (enable)
4120                 val = 1;
4121         hns3_set_bit(loop_en, HNS3_MAC_TX_EN_B, val);
4122         hns3_set_bit(loop_en, HNS3_MAC_RX_EN_B, val);
4123         hns3_set_bit(loop_en, HNS3_MAC_PAD_TX_B, val);
4124         hns3_set_bit(loop_en, HNS3_MAC_PAD_RX_B, val);
4125         hns3_set_bit(loop_en, HNS3_MAC_1588_TX_B, 0);
4126         hns3_set_bit(loop_en, HNS3_MAC_1588_RX_B, 0);
4127         hns3_set_bit(loop_en, HNS3_MAC_APP_LP_B, 0);
4128         hns3_set_bit(loop_en, HNS3_MAC_LINE_LP_B, 0);
4129         hns3_set_bit(loop_en, HNS3_MAC_FCS_TX_B, val);
4130         hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_B, val);
4131         hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, val);
4132         hns3_set_bit(loop_en, HNS3_MAC_TX_OVERSIZE_TRUNCATE_B, val);
4133         hns3_set_bit(loop_en, HNS3_MAC_RX_OVERSIZE_TRUNCATE_B, val);
4134         hns3_set_bit(loop_en, HNS3_MAC_TX_UNDER_MIN_ERR_B, val);
4135         req->txrx_pad_fcs_loop_en = rte_cpu_to_le_32(loop_en);
4136
4137         ret = hns3_cmd_send(hw, &desc, 1);
4138         if (ret)
4139                 PMD_INIT_LOG(ERR, "mac enable fail, ret =%d.", ret);
4140
4141         return ret;
4142 }
4143
4144 static int
4145 hns3_get_mac_link_status(struct hns3_hw *hw)
4146 {
4147         struct hns3_link_status_cmd *req;
4148         struct hns3_cmd_desc desc;
4149         int link_status;
4150         int ret;
4151
4152         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_LINK_STATUS, true);
4153         ret = hns3_cmd_send(hw, &desc, 1);
4154         if (ret) {
4155                 hns3_err(hw, "get link status cmd failed %d", ret);
4156                 return ETH_LINK_DOWN;
4157         }
4158
4159         req = (struct hns3_link_status_cmd *)desc.data;
4160         link_status = req->status & HNS3_LINK_STATUS_UP_M;
4161
4162         return !!link_status;
4163 }
4164
4165 void
4166 hns3_update_link_status(struct hns3_hw *hw)
4167 {
4168         int state;
4169
4170         state = hns3_get_mac_link_status(hw);
4171         if (state != hw->mac.link_status) {
4172                 hw->mac.link_status = state;
4173                 hns3_warn(hw, "Link status change to %s!", state ? "up" : "down");
4174         }
4175 }
4176
4177 static void
4178 hns3_service_handler(void *param)
4179 {
4180         struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
4181         struct hns3_adapter *hns = eth_dev->data->dev_private;
4182         struct hns3_hw *hw = &hns->hw;
4183
4184         if (!hns3_is_reset_pending(hns)) {
4185                 hns3_update_speed_duplex(eth_dev);
4186                 hns3_update_link_status(hw);
4187         } else
4188                 hns3_warn(hw, "Cancel the query when reset is pending");
4189
4190         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
4191 }
4192
4193 static int
4194 hns3_init_hardware(struct hns3_adapter *hns)
4195 {
4196         struct hns3_hw *hw = &hns->hw;
4197         int ret;
4198
4199         ret = hns3_map_tqp(hw);
4200         if (ret) {
4201                 PMD_INIT_LOG(ERR, "Failed to map tqp: %d", ret);
4202                 return ret;
4203         }
4204
4205         ret = hns3_init_umv_space(hw);
4206         if (ret) {
4207                 PMD_INIT_LOG(ERR, "Failed to init umv space: %d", ret);
4208                 return ret;
4209         }
4210
4211         ret = hns3_mac_init(hw);
4212         if (ret) {
4213                 PMD_INIT_LOG(ERR, "Failed to init MAC: %d", ret);
4214                 goto err_mac_init;
4215         }
4216
4217         ret = hns3_init_mgr_tbl(hw);
4218         if (ret) {
4219                 PMD_INIT_LOG(ERR, "Failed to init manager table: %d", ret);
4220                 goto err_mac_init;
4221         }
4222
4223         ret = hns3_promisc_init(hw);
4224         if (ret) {
4225                 PMD_INIT_LOG(ERR, "Failed to init promisc: %d",
4226                              ret);
4227                 goto err_mac_init;
4228         }
4229
4230         ret = hns3_init_vlan_config(hns);
4231         if (ret) {
4232                 PMD_INIT_LOG(ERR, "Failed to init vlan: %d", ret);
4233                 goto err_mac_init;
4234         }
4235
4236         ret = hns3_dcb_init(hw);
4237         if (ret) {
4238                 PMD_INIT_LOG(ERR, "Failed to init dcb: %d", ret);
4239                 goto err_mac_init;
4240         }
4241
4242         ret = hns3_init_fd_config(hns);
4243         if (ret) {
4244                 PMD_INIT_LOG(ERR, "Failed to init flow director: %d", ret);
4245                 goto err_mac_init;
4246         }
4247
4248         ret = hns3_config_tso(hw, HNS3_TSO_MSS_MIN, HNS3_TSO_MSS_MAX);
4249         if (ret) {
4250                 PMD_INIT_LOG(ERR, "Failed to config tso: %d", ret);
4251                 goto err_mac_init;
4252         }
4253
4254         ret = hns3_config_gro(hw, false);
4255         if (ret) {
4256                 PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
4257                 goto err_mac_init;
4258         }
4259
4260         /*
4261          * In the initialization clearing the all hardware mapping relationship
4262          * configurations between queues and interrupt vectors is needed, so
4263          * some error caused by the residual configurations, such as the
4264          * unexpected interrupt, can be avoid.
4265          */
4266         ret = hns3_init_ring_with_vector(hw);
4267         if (ret) {
4268                 PMD_INIT_LOG(ERR, "Failed to init ring intr vector: %d", ret);
4269                 goto err_mac_init;
4270         }
4271
4272         return 0;
4273
4274 err_mac_init:
4275         hns3_uninit_umv_space(hw);
4276         return ret;
4277 }
4278
4279 static int
4280 hns3_init_pf(struct rte_eth_dev *eth_dev)
4281 {
4282         struct rte_device *dev = eth_dev->device;
4283         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4284         struct hns3_adapter *hns = eth_dev->data->dev_private;
4285         struct hns3_hw *hw = &hns->hw;
4286         int ret;
4287
4288         PMD_INIT_FUNC_TRACE();
4289
4290         /* Get hardware io base address from pcie BAR2 IO space */
4291         hw->io_base = pci_dev->mem_resource[2].addr;
4292
4293         /* Firmware command queue initialize */
4294         ret = hns3_cmd_init_queue(hw);
4295         if (ret) {
4296                 PMD_INIT_LOG(ERR, "Failed to init cmd queue: %d", ret);
4297                 goto err_cmd_init_queue;
4298         }
4299
4300         hns3_clear_all_event_cause(hw);
4301
4302         /* Firmware command initialize */
4303         ret = hns3_cmd_init(hw);
4304         if (ret) {
4305                 PMD_INIT_LOG(ERR, "Failed to init cmd: %d", ret);
4306                 goto err_cmd_init;
4307         }
4308
4309         ret = rte_intr_callback_register(&pci_dev->intr_handle,
4310                                          hns3_interrupt_handler,
4311                                          eth_dev);
4312         if (ret) {
4313                 PMD_INIT_LOG(ERR, "Failed to register intr: %d", ret);
4314                 goto err_intr_callback_register;
4315         }
4316
4317         /* Enable interrupt */
4318         rte_intr_enable(&pci_dev->intr_handle);
4319         hns3_pf_enable_irq0(hw);
4320
4321         /* Get configuration */
4322         ret = hns3_get_configuration(hw);
4323         if (ret) {
4324                 PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
4325                 goto err_get_config;
4326         }
4327
4328         ret = hns3_init_hardware(hns);
4329         if (ret) {
4330                 PMD_INIT_LOG(ERR, "Failed to init hardware: %d", ret);
4331                 goto err_get_config;
4332         }
4333
4334         /* Initialize flow director filter list & hash */
4335         ret = hns3_fdir_filter_init(hns);
4336         if (ret) {
4337                 PMD_INIT_LOG(ERR, "Failed to alloc hashmap for fdir: %d", ret);
4338                 goto err_hw_init;
4339         }
4340
4341         hns3_set_default_rss_args(hw);
4342
4343         ret = hns3_enable_hw_error_intr(hns, true);
4344         if (ret) {
4345                 PMD_INIT_LOG(ERR, "fail to enable hw error interrupts: %d",
4346                              ret);
4347                 goto err_fdir;
4348         }
4349
4350         return 0;
4351
4352 err_fdir:
4353         hns3_fdir_filter_uninit(hns);
4354 err_hw_init:
4355         hns3_uninit_umv_space(hw);
4356
4357 err_get_config:
4358         hns3_pf_disable_irq0(hw);
4359         rte_intr_disable(&pci_dev->intr_handle);
4360         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4361                              eth_dev);
4362 err_intr_callback_register:
4363 err_cmd_init:
4364         hns3_cmd_uninit(hw);
4365         hns3_cmd_destroy_queue(hw);
4366 err_cmd_init_queue:
4367         hw->io_base = NULL;
4368
4369         return ret;
4370 }
4371
4372 static void
4373 hns3_uninit_pf(struct rte_eth_dev *eth_dev)
4374 {
4375         struct hns3_adapter *hns = eth_dev->data->dev_private;
4376         struct rte_device *dev = eth_dev->device;
4377         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4378         struct hns3_hw *hw = &hns->hw;
4379
4380         PMD_INIT_FUNC_TRACE();
4381
4382         hns3_enable_hw_error_intr(hns, false);
4383         hns3_rss_uninit(hns);
4384         hns3_promisc_uninit(hw);
4385         hns3_fdir_filter_uninit(hns);
4386         hns3_uninit_umv_space(hw);
4387         hns3_pf_disable_irq0(hw);
4388         rte_intr_disable(&pci_dev->intr_handle);
4389         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4390                              eth_dev);
4391         hns3_cmd_uninit(hw);
4392         hns3_cmd_destroy_queue(hw);
4393         hw->io_base = NULL;
4394 }
4395
4396 static int
4397 hns3_do_start(struct hns3_adapter *hns, bool reset_queue)
4398 {
4399         struct hns3_hw *hw = &hns->hw;
4400         int ret;
4401
4402         ret = hns3_dcb_cfg_update(hns);
4403         if (ret)
4404                 return ret;
4405
4406         /* Enable queues */
4407         ret = hns3_start_queues(hns, reset_queue);
4408         if (ret) {
4409                 PMD_INIT_LOG(ERR, "Failed to start queues: %d", ret);
4410                 return ret;
4411         }
4412
4413         /* Enable MAC */
4414         ret = hns3_cfg_mac_mode(hw, true);
4415         if (ret) {
4416                 PMD_INIT_LOG(ERR, "Failed to enable MAC: %d", ret);
4417                 goto err_config_mac_mode;
4418         }
4419         return 0;
4420
4421 err_config_mac_mode:
4422         hns3_stop_queues(hns, true);
4423         return ret;
4424 }
4425
4426 static int
4427 hns3_map_rx_interrupt(struct rte_eth_dev *dev)
4428 {
4429         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4430         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4431         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4432         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
4433         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4434         uint32_t intr_vector;
4435         uint16_t q_id;
4436         int ret;
4437
4438         if (dev->data->dev_conf.intr_conf.rxq == 0)
4439                 return 0;
4440
4441         /* disable uio/vfio intr/eventfd mapping */
4442         rte_intr_disable(intr_handle);
4443
4444         /* check and configure queue intr-vector mapping */
4445         if (rte_intr_cap_multiple(intr_handle) ||
4446             !RTE_ETH_DEV_SRIOV(dev).active) {
4447                 intr_vector = hw->used_rx_queues;
4448                 /* creates event fd for each intr vector when MSIX is used */
4449                 if (rte_intr_efd_enable(intr_handle, intr_vector))
4450                         return -EINVAL;
4451         }
4452         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
4453                 intr_handle->intr_vec =
4454                         rte_zmalloc("intr_vec",
4455                                     hw->used_rx_queues * sizeof(int), 0);
4456                 if (intr_handle->intr_vec == NULL) {
4457                         hns3_err(hw, "Failed to allocate %d rx_queues"
4458                                      " intr_vec", hw->used_rx_queues);
4459                         ret = -ENOMEM;
4460                         goto alloc_intr_vec_error;
4461                 }
4462         }
4463
4464         if (rte_intr_allow_others(intr_handle)) {
4465                 vec = RTE_INTR_VEC_RXTX_OFFSET;
4466                 base = RTE_INTR_VEC_RXTX_OFFSET;
4467         }
4468         if (rte_intr_dp_is_en(intr_handle)) {
4469                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4470                         ret = hns3_bind_ring_with_vector(hw, vec, true,
4471                                                          HNS3_RING_TYPE_RX,
4472                                                          q_id);
4473                         if (ret)
4474                                 goto bind_vector_error;
4475                         intr_handle->intr_vec[q_id] = vec;
4476                         if (vec < base + intr_handle->nb_efd - 1)
4477                                 vec++;
4478                 }
4479         }
4480         rte_intr_enable(intr_handle);
4481         return 0;
4482
4483 bind_vector_error:
4484         rte_intr_efd_disable(intr_handle);
4485         if (intr_handle->intr_vec) {
4486                 free(intr_handle->intr_vec);
4487                 intr_handle->intr_vec = NULL;
4488         }
4489         return ret;
4490 alloc_intr_vec_error:
4491         rte_intr_efd_disable(intr_handle);
4492         return ret;
4493 }
4494
4495 static int
4496 hns3_restore_rx_interrupt(struct hns3_hw *hw)
4497 {
4498         struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
4499         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4500         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4501         uint16_t q_id;
4502         int ret;
4503
4504         if (dev->data->dev_conf.intr_conf.rxq == 0)
4505                 return 0;
4506
4507         if (rte_intr_dp_is_en(intr_handle)) {
4508                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4509                         ret = hns3_bind_ring_with_vector(hw,
4510                                         intr_handle->intr_vec[q_id], true,
4511                                         HNS3_RING_TYPE_RX, q_id);
4512                         if (ret)
4513                                 return ret;
4514                 }
4515         }
4516
4517         return 0;
4518 }
4519
4520 static void
4521 hns3_restore_filter(struct rte_eth_dev *dev)
4522 {
4523         hns3_restore_rss_filter(dev);
4524 }
4525
4526 static int
4527 hns3_dev_start(struct rte_eth_dev *dev)
4528 {
4529         struct hns3_adapter *hns = dev->data->dev_private;
4530         struct hns3_hw *hw = &hns->hw;
4531         int ret;
4532
4533         PMD_INIT_FUNC_TRACE();
4534         if (rte_atomic16_read(&hw->reset.resetting))
4535                 return -EBUSY;
4536
4537         rte_spinlock_lock(&hw->lock);
4538         hw->adapter_state = HNS3_NIC_STARTING;
4539
4540         ret = hns3_do_start(hns, true);
4541         if (ret) {
4542                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4543                 rte_spinlock_unlock(&hw->lock);
4544                 return ret;
4545         }
4546         ret = hns3_map_rx_interrupt(dev);
4547         if (ret) {
4548                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4549                 rte_spinlock_unlock(&hw->lock);
4550                 return ret;
4551         }
4552
4553         hw->adapter_state = HNS3_NIC_STARTED;
4554         rte_spinlock_unlock(&hw->lock);
4555
4556         hns3_set_rxtx_function(dev);
4557         hns3_mp_req_start_rxtx(dev);
4558         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, dev);
4559
4560         hns3_restore_filter(dev);
4561
4562         /* Enable interrupt of all rx queues before enabling queues */
4563         hns3_dev_all_rx_queue_intr_enable(hw, true);
4564         /*
4565          * When finished the initialization, enable queues to receive/transmit
4566          * packets.
4567          */
4568         hns3_enable_all_queues(hw, true);
4569
4570         hns3_info(hw, "hns3 dev start successful!");
4571         return 0;
4572 }
4573
4574 static int
4575 hns3_do_stop(struct hns3_adapter *hns)
4576 {
4577         struct hns3_hw *hw = &hns->hw;
4578         bool reset_queue;
4579         int ret;
4580
4581         ret = hns3_cfg_mac_mode(hw, false);
4582         if (ret)
4583                 return ret;
4584         hw->mac.link_status = ETH_LINK_DOWN;
4585
4586         if (rte_atomic16_read(&hw->reset.disable_cmd) == 0) {
4587                 hns3_configure_all_mac_addr(hns, true);
4588                 reset_queue = true;
4589         } else
4590                 reset_queue = false;
4591         hw->mac.default_addr_setted = false;
4592         return hns3_stop_queues(hns, reset_queue);
4593 }
4594
4595 static void
4596 hns3_unmap_rx_interrupt(struct rte_eth_dev *dev)
4597 {
4598         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4599         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4600         struct hns3_adapter *hns = dev->data->dev_private;
4601         struct hns3_hw *hw = &hns->hw;
4602         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
4603         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4604         uint16_t q_id;
4605
4606         if (dev->data->dev_conf.intr_conf.rxq == 0)
4607                 return;
4608
4609         /* unmap the ring with vector */
4610         if (rte_intr_allow_others(intr_handle)) {
4611                 vec = RTE_INTR_VEC_RXTX_OFFSET;
4612                 base = RTE_INTR_VEC_RXTX_OFFSET;
4613         }
4614         if (rte_intr_dp_is_en(intr_handle)) {
4615                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4616                         (void)hns3_bind_ring_with_vector(hw, vec, false,
4617                                                          HNS3_RING_TYPE_RX,
4618                                                          q_id);
4619                         if (vec < base + intr_handle->nb_efd - 1)
4620                                 vec++;
4621                 }
4622         }
4623         /* Clean datapath event and queue/vec mapping */
4624         rte_intr_efd_disable(intr_handle);
4625         if (intr_handle->intr_vec) {
4626                 rte_free(intr_handle->intr_vec);
4627                 intr_handle->intr_vec = NULL;
4628         }
4629 }
4630
4631 static void
4632 hns3_dev_stop(struct rte_eth_dev *dev)
4633 {
4634         struct hns3_adapter *hns = dev->data->dev_private;
4635         struct hns3_hw *hw = &hns->hw;
4636
4637         PMD_INIT_FUNC_TRACE();
4638
4639         hw->adapter_state = HNS3_NIC_STOPPING;
4640         hns3_set_rxtx_function(dev);
4641         rte_wmb();
4642         /* Disable datapath on secondary process. */
4643         hns3_mp_req_stop_rxtx(dev);
4644         /* Prevent crashes when queues are still in use. */
4645         rte_delay_ms(hw->tqps_num);
4646
4647         rte_spinlock_lock(&hw->lock);
4648         if (rte_atomic16_read(&hw->reset.resetting) == 0) {
4649                 hns3_do_stop(hns);
4650                 hns3_unmap_rx_interrupt(dev);
4651                 hns3_dev_release_mbufs(hns);
4652                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4653         }
4654         rte_eal_alarm_cancel(hns3_service_handler, dev);
4655         rte_spinlock_unlock(&hw->lock);
4656 }
4657
4658 static void
4659 hns3_dev_close(struct rte_eth_dev *eth_dev)
4660 {
4661         struct hns3_adapter *hns = eth_dev->data->dev_private;
4662         struct hns3_hw *hw = &hns->hw;
4663
4664         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
4665                 rte_free(eth_dev->process_private);
4666                 eth_dev->process_private = NULL;
4667                 return;
4668         }
4669
4670         if (hw->adapter_state == HNS3_NIC_STARTED)
4671                 hns3_dev_stop(eth_dev);
4672
4673         hw->adapter_state = HNS3_NIC_CLOSING;
4674         hns3_reset_abort(hns);
4675         hw->adapter_state = HNS3_NIC_CLOSED;
4676
4677         hns3_configure_all_mc_mac_addr(hns, true);
4678         hns3_remove_all_vlan_table(hns);
4679         hns3_vlan_txvlan_cfg(hns, HNS3_PORT_BASE_VLAN_DISABLE, 0);
4680         hns3_uninit_pf(eth_dev);
4681         hns3_free_all_queues(eth_dev);
4682         rte_free(hw->reset.wait_data);
4683         rte_free(eth_dev->process_private);
4684         eth_dev->process_private = NULL;
4685         hns3_mp_uninit_primary();
4686         hns3_warn(hw, "Close port %d finished", hw->data->port_id);
4687 }
4688
4689 static int
4690 hns3_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
4691 {
4692         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4693         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4694
4695         fc_conf->pause_time = pf->pause_time;
4696
4697         /* return fc current mode */
4698         switch (hw->current_mode) {
4699         case HNS3_FC_FULL:
4700                 fc_conf->mode = RTE_FC_FULL;
4701                 break;
4702         case HNS3_FC_TX_PAUSE:
4703                 fc_conf->mode = RTE_FC_TX_PAUSE;
4704                 break;
4705         case HNS3_FC_RX_PAUSE:
4706                 fc_conf->mode = RTE_FC_RX_PAUSE;
4707                 break;
4708         case HNS3_FC_NONE:
4709         default:
4710                 fc_conf->mode = RTE_FC_NONE;
4711                 break;
4712         }
4713
4714         return 0;
4715 }
4716
4717 static void
4718 hns3_get_fc_mode(struct hns3_hw *hw, enum rte_eth_fc_mode mode)
4719 {
4720         switch (mode) {
4721         case RTE_FC_NONE:
4722                 hw->requested_mode = HNS3_FC_NONE;
4723                 break;
4724         case RTE_FC_RX_PAUSE:
4725                 hw->requested_mode = HNS3_FC_RX_PAUSE;
4726                 break;
4727         case RTE_FC_TX_PAUSE:
4728                 hw->requested_mode = HNS3_FC_TX_PAUSE;
4729                 break;
4730         case RTE_FC_FULL:
4731                 hw->requested_mode = HNS3_FC_FULL;
4732                 break;
4733         default:
4734                 hw->requested_mode = HNS3_FC_NONE;
4735                 hns3_warn(hw, "fc_mode(%u) exceeds member scope and is "
4736                           "configured to RTE_FC_NONE", mode);
4737                 break;
4738         }
4739 }
4740
4741 static int
4742 hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
4743 {
4744         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4745         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4746         int ret;
4747
4748         if (fc_conf->high_water || fc_conf->low_water ||
4749             fc_conf->send_xon || fc_conf->mac_ctrl_frame_fwd) {
4750                 hns3_err(hw, "Unsupported flow control settings specified, "
4751                          "high_water(%u), low_water(%u), send_xon(%u) and "
4752                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
4753                          fc_conf->high_water, fc_conf->low_water,
4754                          fc_conf->send_xon, fc_conf->mac_ctrl_frame_fwd);
4755                 return -EINVAL;
4756         }
4757         if (fc_conf->autoneg) {
4758                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
4759                 return -EINVAL;
4760         }
4761         if (!fc_conf->pause_time) {
4762                 hns3_err(hw, "Invalid pause time %d setting.",
4763                          fc_conf->pause_time);
4764                 return -EINVAL;
4765         }
4766
4767         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
4768             hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE)) {
4769                 hns3_err(hw, "PFC is enabled. Cannot set MAC pause. "
4770                          "current_fc_status = %d", hw->current_fc_status);
4771                 return -EOPNOTSUPP;
4772         }
4773
4774         hns3_get_fc_mode(hw, fc_conf->mode);
4775         if (hw->requested_mode == hw->current_mode &&
4776             pf->pause_time == fc_conf->pause_time)
4777                 return 0;
4778
4779         rte_spinlock_lock(&hw->lock);
4780         ret = hns3_fc_enable(dev, fc_conf);
4781         rte_spinlock_unlock(&hw->lock);
4782
4783         return ret;
4784 }
4785
4786 static int
4787 hns3_priority_flow_ctrl_set(struct rte_eth_dev *dev,
4788                             struct rte_eth_pfc_conf *pfc_conf)
4789 {
4790         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4791         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4792         uint8_t priority;
4793         int ret;
4794
4795         if (!hns3_dev_dcb_supported(hw)) {
4796                 hns3_err(hw, "This port does not support dcb configurations.");
4797                 return -EOPNOTSUPP;
4798         }
4799
4800         if (pfc_conf->fc.high_water || pfc_conf->fc.low_water ||
4801             pfc_conf->fc.send_xon || pfc_conf->fc.mac_ctrl_frame_fwd) {
4802                 hns3_err(hw, "Unsupported flow control settings specified, "
4803                          "high_water(%u), low_water(%u), send_xon(%u) and "
4804                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
4805                          pfc_conf->fc.high_water, pfc_conf->fc.low_water,
4806                          pfc_conf->fc.send_xon,
4807                          pfc_conf->fc.mac_ctrl_frame_fwd);
4808                 return -EINVAL;
4809         }
4810         if (pfc_conf->fc.autoneg) {
4811                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
4812                 return -EINVAL;
4813         }
4814         if (pfc_conf->fc.pause_time == 0) {
4815                 hns3_err(hw, "Invalid pause time %d setting.",
4816                          pfc_conf->fc.pause_time);
4817                 return -EINVAL;
4818         }
4819
4820         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
4821             hw->current_fc_status == HNS3_FC_STATUS_PFC)) {
4822                 hns3_err(hw, "MAC pause is enabled. Cannot set PFC."
4823                              "current_fc_status = %d", hw->current_fc_status);
4824                 return -EOPNOTSUPP;
4825         }
4826
4827         priority = pfc_conf->priority;
4828         hns3_get_fc_mode(hw, pfc_conf->fc.mode);
4829         if (hw->dcb_info.pfc_en & BIT(priority) &&
4830             hw->requested_mode == hw->current_mode &&
4831             pfc_conf->fc.pause_time == pf->pause_time)
4832                 return 0;
4833
4834         rte_spinlock_lock(&hw->lock);
4835         ret = hns3_dcb_pfc_enable(dev, pfc_conf);
4836         rte_spinlock_unlock(&hw->lock);
4837
4838         return ret;
4839 }
4840
4841 static int
4842 hns3_get_dcb_info(struct rte_eth_dev *dev, struct rte_eth_dcb_info *dcb_info)
4843 {
4844         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4845         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4846         enum rte_eth_rx_mq_mode mq_mode = dev->data->dev_conf.rxmode.mq_mode;
4847         int i;
4848
4849         rte_spinlock_lock(&hw->lock);
4850         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG)
4851                 dcb_info->nb_tcs = pf->local_max_tc;
4852         else
4853                 dcb_info->nb_tcs = 1;
4854
4855         for (i = 0; i < HNS3_MAX_USER_PRIO; i++)
4856                 dcb_info->prio_tc[i] = hw->dcb_info.prio_tc[i];
4857         for (i = 0; i < dcb_info->nb_tcs; i++)
4858                 dcb_info->tc_bws[i] = hw->dcb_info.pg_info[0].tc_dwrr[i];
4859
4860         for (i = 0; i < hw->num_tc; i++) {
4861                 dcb_info->tc_queue.tc_rxq[0][i].base = hw->alloc_rss_size * i;
4862                 dcb_info->tc_queue.tc_txq[0][i].base =
4863                                                 hw->tc_queue[i].tqp_offset;
4864                 dcb_info->tc_queue.tc_rxq[0][i].nb_queue = hw->alloc_rss_size;
4865                 dcb_info->tc_queue.tc_txq[0][i].nb_queue =
4866                                                 hw->tc_queue[i].tqp_count;
4867         }
4868         rte_spinlock_unlock(&hw->lock);
4869
4870         return 0;
4871 }
4872
4873 static int
4874 hns3_reinit_dev(struct hns3_adapter *hns)
4875 {
4876         struct hns3_hw *hw = &hns->hw;
4877         int ret;
4878
4879         ret = hns3_cmd_init(hw);
4880         if (ret) {
4881                 hns3_err(hw, "Failed to init cmd: %d", ret);
4882                 return ret;
4883         }
4884
4885         ret = hns3_reset_all_queues(hns);
4886         if (ret) {
4887                 hns3_err(hw, "Failed to reset all queues: %d", ret);
4888                 return ret;
4889         }
4890
4891         ret = hns3_init_hardware(hns);
4892         if (ret) {
4893                 hns3_err(hw, "Failed to init hardware: %d", ret);
4894                 return ret;
4895         }
4896
4897         ret = hns3_enable_hw_error_intr(hns, true);
4898         if (ret) {
4899                 hns3_err(hw, "fail to enable hw error interrupts: %d",
4900                              ret);
4901                 return ret;
4902         }
4903         hns3_info(hw, "Reset done, driver initialization finished.");
4904
4905         return 0;
4906 }
4907
4908 static bool
4909 is_pf_reset_done(struct hns3_hw *hw)
4910 {
4911         uint32_t val, reg, reg_bit;
4912
4913         switch (hw->reset.level) {
4914         case HNS3_IMP_RESET:
4915                 reg = HNS3_GLOBAL_RESET_REG;
4916                 reg_bit = HNS3_IMP_RESET_BIT;
4917                 break;
4918         case HNS3_GLOBAL_RESET:
4919                 reg = HNS3_GLOBAL_RESET_REG;
4920                 reg_bit = HNS3_GLOBAL_RESET_BIT;
4921                 break;
4922         case HNS3_FUNC_RESET:
4923                 reg = HNS3_FUN_RST_ING;
4924                 reg_bit = HNS3_FUN_RST_ING_B;
4925                 break;
4926         case HNS3_FLR_RESET:
4927         default:
4928                 hns3_err(hw, "Wait for unsupported reset level: %d",
4929                          hw->reset.level);
4930                 return true;
4931         }
4932         val = hns3_read_dev(hw, reg);
4933         if (hns3_get_bit(val, reg_bit))
4934                 return false;
4935         else
4936                 return true;
4937 }
4938
4939 bool
4940 hns3_is_reset_pending(struct hns3_adapter *hns)
4941 {
4942         struct hns3_hw *hw = &hns->hw;
4943         enum hns3_reset_level reset;
4944
4945         hns3_check_event_cause(hns, NULL);
4946         reset = hns3_get_reset_level(hns, &hw->reset.pending);
4947         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
4948                 hns3_warn(hw, "High level reset %d is pending", reset);
4949                 return true;
4950         }
4951         reset = hns3_get_reset_level(hns, &hw->reset.request);
4952         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
4953                 hns3_warn(hw, "High level reset %d is request", reset);
4954                 return true;
4955         }
4956         return false;
4957 }
4958
4959 static int
4960 hns3_wait_hardware_ready(struct hns3_adapter *hns)
4961 {
4962         struct hns3_hw *hw = &hns->hw;
4963         struct hns3_wait_data *wait_data = hw->reset.wait_data;
4964         struct timeval tv;
4965
4966         if (wait_data->result == HNS3_WAIT_SUCCESS)
4967                 return 0;
4968         else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
4969                 gettimeofday(&tv, NULL);
4970                 hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
4971                           tv.tv_sec, tv.tv_usec);
4972                 return -ETIME;
4973         } else if (wait_data->result == HNS3_WAIT_REQUEST)
4974                 return -EAGAIN;
4975
4976         wait_data->hns = hns;
4977         wait_data->check_completion = is_pf_reset_done;
4978         wait_data->end_ms = (uint64_t)HNS3_RESET_WAIT_CNT *
4979                                       HNS3_RESET_WAIT_MS + get_timeofday_ms();
4980         wait_data->interval = HNS3_RESET_WAIT_MS * USEC_PER_MSEC;
4981         wait_data->count = HNS3_RESET_WAIT_CNT;
4982         wait_data->result = HNS3_WAIT_REQUEST;
4983         rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
4984         return -EAGAIN;
4985 }
4986
4987 static int
4988 hns3_func_reset_cmd(struct hns3_hw *hw, int func_id)
4989 {
4990         struct hns3_cmd_desc desc;
4991         struct hns3_reset_cmd *req = (struct hns3_reset_cmd *)desc.data;
4992
4993         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_RST_TRIGGER, false);
4994         hns3_set_bit(req->mac_func_reset, HNS3_CFG_RESET_FUNC_B, 1);
4995         req->fun_reset_vfid = func_id;
4996
4997         return hns3_cmd_send(hw, &desc, 1);
4998 }
4999
5000 static int
5001 hns3_imp_reset_cmd(struct hns3_hw *hw)
5002 {
5003         struct hns3_cmd_desc desc;
5004
5005         hns3_cmd_setup_basic_desc(&desc, 0xFFFE, false);
5006         desc.data[0] = 0xeedd;
5007
5008         return hns3_cmd_send(hw, &desc, 1);
5009 }
5010
5011 static void
5012 hns3_msix_process(struct hns3_adapter *hns, enum hns3_reset_level reset_level)
5013 {
5014         struct hns3_hw *hw = &hns->hw;
5015         struct timeval tv;
5016         uint32_t val;
5017
5018         gettimeofday(&tv, NULL);
5019         if (hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG) ||
5020             hns3_read_dev(hw, HNS3_FUN_RST_ING)) {
5021                 hns3_warn(hw, "Don't process msix during resetting time=%ld.%.6ld",
5022                           tv.tv_sec, tv.tv_usec);
5023                 return;
5024         }
5025
5026         switch (reset_level) {
5027         case HNS3_IMP_RESET:
5028                 hns3_imp_reset_cmd(hw);
5029                 hns3_warn(hw, "IMP Reset requested time=%ld.%.6ld",
5030                           tv.tv_sec, tv.tv_usec);
5031                 break;
5032         case HNS3_GLOBAL_RESET:
5033                 val = hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG);
5034                 hns3_set_bit(val, HNS3_GLOBAL_RESET_BIT, 1);
5035                 hns3_write_dev(hw, HNS3_GLOBAL_RESET_REG, val);
5036                 hns3_warn(hw, "Global Reset requested time=%ld.%.6ld",
5037                           tv.tv_sec, tv.tv_usec);
5038                 break;
5039         case HNS3_FUNC_RESET:
5040                 hns3_warn(hw, "PF Reset requested time=%ld.%.6ld",
5041                           tv.tv_sec, tv.tv_usec);
5042                 /* schedule again to check later */
5043                 hns3_atomic_set_bit(HNS3_FUNC_RESET, &hw->reset.pending);
5044                 hns3_schedule_reset(hns);
5045                 break;
5046         default:
5047                 hns3_warn(hw, "Unsupported reset level: %d", reset_level);
5048                 return;
5049         }
5050         hns3_atomic_clear_bit(reset_level, &hw->reset.request);
5051 }
5052
5053 static enum hns3_reset_level
5054 hns3_get_reset_level(struct hns3_adapter *hns, uint64_t *levels)
5055 {
5056         struct hns3_hw *hw = &hns->hw;
5057         enum hns3_reset_level reset_level = HNS3_NONE_RESET;
5058
5059         /* Return the highest priority reset level amongst all */
5060         if (hns3_atomic_test_bit(HNS3_IMP_RESET, levels))
5061                 reset_level = HNS3_IMP_RESET;
5062         else if (hns3_atomic_test_bit(HNS3_GLOBAL_RESET, levels))
5063                 reset_level = HNS3_GLOBAL_RESET;
5064         else if (hns3_atomic_test_bit(HNS3_FUNC_RESET, levels))
5065                 reset_level = HNS3_FUNC_RESET;
5066         else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
5067                 reset_level = HNS3_FLR_RESET;
5068
5069         if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
5070                 return HNS3_NONE_RESET;
5071
5072         return reset_level;
5073 }
5074
5075 static int
5076 hns3_prepare_reset(struct hns3_adapter *hns)
5077 {
5078         struct hns3_hw *hw = &hns->hw;
5079         uint32_t reg_val;
5080         int ret;
5081
5082         switch (hw->reset.level) {
5083         case HNS3_FUNC_RESET:
5084                 ret = hns3_func_reset_cmd(hw, HNS3_PF_FUNC_ID);
5085                 if (ret)
5086                         return ret;
5087
5088                 /*
5089                  * After performaning pf reset, it is not necessary to do the
5090                  * mailbox handling or send any command to firmware, because
5091                  * any mailbox handling or command to firmware is only valid
5092                  * after hns3_cmd_init is called.
5093                  */
5094                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
5095                 hw->reset.stats.request_cnt++;
5096                 break;
5097         case HNS3_IMP_RESET:
5098                 reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
5099                 hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val |
5100                                BIT(HNS3_VECTOR0_IMP_RESET_INT_B));
5101                 break;
5102         default:
5103                 break;
5104         }
5105         return 0;
5106 }
5107
5108 static int
5109 hns3_set_rst_done(struct hns3_hw *hw)
5110 {
5111         struct hns3_pf_rst_done_cmd *req;
5112         struct hns3_cmd_desc desc;
5113
5114         req = (struct hns3_pf_rst_done_cmd *)desc.data;
5115         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_PF_RST_DONE, false);
5116         req->pf_rst_done |= HNS3_PF_RESET_DONE_BIT;
5117         return hns3_cmd_send(hw, &desc, 1);
5118 }
5119
5120 static int
5121 hns3_stop_service(struct hns3_adapter *hns)
5122 {
5123         struct hns3_hw *hw = &hns->hw;
5124         struct rte_eth_dev *eth_dev;
5125
5126         eth_dev = &rte_eth_devices[hw->data->port_id];
5127         if (hw->adapter_state == HNS3_NIC_STARTED)
5128                 rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
5129         hw->mac.link_status = ETH_LINK_DOWN;
5130
5131         hns3_set_rxtx_function(eth_dev);
5132         rte_wmb();
5133         /* Disable datapath on secondary process. */
5134         hns3_mp_req_stop_rxtx(eth_dev);
5135         rte_delay_ms(hw->tqps_num);
5136
5137         rte_spinlock_lock(&hw->lock);
5138         if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
5139             hw->adapter_state == HNS3_NIC_STOPPING) {
5140                 hns3_do_stop(hns);
5141                 hw->reset.mbuf_deferred_free = true;
5142         } else
5143                 hw->reset.mbuf_deferred_free = false;
5144
5145         /*
5146          * It is cumbersome for hardware to pick-and-choose entries for deletion
5147          * from table space. Hence, for function reset software intervention is
5148          * required to delete the entries
5149          */
5150         if (rte_atomic16_read(&hw->reset.disable_cmd) == 0)
5151                 hns3_configure_all_mc_mac_addr(hns, true);
5152         rte_spinlock_unlock(&hw->lock);
5153
5154         return 0;
5155 }
5156
5157 static int
5158 hns3_start_service(struct hns3_adapter *hns)
5159 {
5160         struct hns3_hw *hw = &hns->hw;
5161         struct rte_eth_dev *eth_dev;
5162
5163         if (hw->reset.level == HNS3_IMP_RESET ||
5164             hw->reset.level == HNS3_GLOBAL_RESET)
5165                 hns3_set_rst_done(hw);
5166         eth_dev = &rte_eth_devices[hw->data->port_id];
5167         hns3_set_rxtx_function(eth_dev);
5168         hns3_mp_req_start_rxtx(eth_dev);
5169         if (hw->adapter_state == HNS3_NIC_STARTED) {
5170                 hns3_service_handler(eth_dev);
5171
5172                 /* Enable interrupt of all rx queues before enabling queues */
5173                 hns3_dev_all_rx_queue_intr_enable(hw, true);
5174                 /*
5175                  * When finished the initialization, enable queues to receive
5176                  * and transmit packets.
5177                  */
5178                 hns3_enable_all_queues(hw, true);
5179         }
5180
5181         return 0;
5182 }
5183
5184 static int
5185 hns3_restore_conf(struct hns3_adapter *hns)
5186 {
5187         struct hns3_hw *hw = &hns->hw;
5188         int ret;
5189
5190         ret = hns3_configure_all_mac_addr(hns, false);
5191         if (ret)
5192                 return ret;
5193
5194         ret = hns3_configure_all_mc_mac_addr(hns, false);
5195         if (ret)
5196                 goto err_mc_mac;
5197
5198         ret = hns3_dev_promisc_restore(hns);
5199         if (ret)
5200                 goto err_promisc;
5201
5202         ret = hns3_restore_vlan_table(hns);
5203         if (ret)
5204                 goto err_promisc;
5205
5206         ret = hns3_restore_vlan_conf(hns);
5207         if (ret)
5208                 goto err_promisc;
5209
5210         ret = hns3_restore_all_fdir_filter(hns);
5211         if (ret)
5212                 goto err_promisc;
5213
5214         ret = hns3_restore_rx_interrupt(hw);
5215         if (ret)
5216                 goto err_promisc;
5217
5218         if (hns->hw.adapter_state == HNS3_NIC_STARTED) {
5219                 ret = hns3_do_start(hns, false);
5220                 if (ret)
5221                         goto err_promisc;
5222                 hns3_info(hw, "hns3 dev restart successful!");
5223         } else if (hw->adapter_state == HNS3_NIC_STOPPING)
5224                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5225         return 0;
5226
5227 err_promisc:
5228         hns3_configure_all_mc_mac_addr(hns, true);
5229 err_mc_mac:
5230         hns3_configure_all_mac_addr(hns, true);
5231         return ret;
5232 }
5233
5234 static void
5235 hns3_reset_service(void *param)
5236 {
5237         struct hns3_adapter *hns = (struct hns3_adapter *)param;
5238         struct hns3_hw *hw = &hns->hw;
5239         enum hns3_reset_level reset_level;
5240         struct timeval tv_delta;
5241         struct timeval tv_start;
5242         struct timeval tv;
5243         uint64_t msec;
5244         int ret;
5245
5246         /*
5247          * The interrupt is not triggered within the delay time.
5248          * The interrupt may have been lost. It is necessary to handle
5249          * the interrupt to recover from the error.
5250          */
5251         if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_DEFERRED) {
5252                 rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_REQUESTED);
5253                 hns3_err(hw, "Handling interrupts in delayed tasks");
5254                 hns3_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
5255                 reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5256                 if (reset_level == HNS3_NONE_RESET) {
5257                         hns3_err(hw, "No reset level is set, try IMP reset");
5258                         hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
5259                 }
5260         }
5261         rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_NONE);
5262
5263         /*
5264          * Check if there is any ongoing reset in the hardware. This status can
5265          * be checked from reset_pending. If there is then, we need to wait for
5266          * hardware to complete reset.
5267          *    a. If we are able to figure out in reasonable time that hardware
5268          *       has fully resetted then, we can proceed with driver, client
5269          *       reset.
5270          *    b. else, we can come back later to check this status so re-sched
5271          *       now.
5272          */
5273         reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5274         if (reset_level != HNS3_NONE_RESET) {
5275                 gettimeofday(&tv_start, NULL);
5276                 ret = hns3_reset_process(hns, reset_level);
5277                 gettimeofday(&tv, NULL);
5278                 timersub(&tv, &tv_start, &tv_delta);
5279                 msec = tv_delta.tv_sec * MSEC_PER_SEC +
5280                        tv_delta.tv_usec / USEC_PER_MSEC;
5281                 if (msec > HNS3_RESET_PROCESS_MS)
5282                         hns3_err(hw, "%d handle long time delta %" PRIx64
5283                                      " ms time=%ld.%.6ld",
5284                                  hw->reset.level, msec,
5285                                  tv.tv_sec, tv.tv_usec);
5286                 if (ret == -EAGAIN)
5287                         return;
5288         }
5289
5290         /* Check if we got any *new* reset requests to be honored */
5291         reset_level = hns3_get_reset_level(hns, &hw->reset.request);
5292         if (reset_level != HNS3_NONE_RESET)
5293                 hns3_msix_process(hns, reset_level);
5294 }
5295
5296 static const struct eth_dev_ops hns3_eth_dev_ops = {
5297         .dev_start          = hns3_dev_start,
5298         .dev_stop           = hns3_dev_stop,
5299         .dev_close          = hns3_dev_close,
5300         .promiscuous_enable = hns3_dev_promiscuous_enable,
5301         .promiscuous_disable = hns3_dev_promiscuous_disable,
5302         .allmulticast_enable  = hns3_dev_allmulticast_enable,
5303         .allmulticast_disable = hns3_dev_allmulticast_disable,
5304         .mtu_set            = hns3_dev_mtu_set,
5305         .stats_get          = hns3_stats_get,
5306         .stats_reset        = hns3_stats_reset,
5307         .xstats_get         = hns3_dev_xstats_get,
5308         .xstats_get_names   = hns3_dev_xstats_get_names,
5309         .xstats_reset       = hns3_dev_xstats_reset,
5310         .xstats_get_by_id   = hns3_dev_xstats_get_by_id,
5311         .xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
5312         .dev_infos_get          = hns3_dev_infos_get,
5313         .fw_version_get         = hns3_fw_version_get,
5314         .rx_queue_setup         = hns3_rx_queue_setup,
5315         .tx_queue_setup         = hns3_tx_queue_setup,
5316         .rx_queue_release       = hns3_dev_rx_queue_release,
5317         .tx_queue_release       = hns3_dev_tx_queue_release,
5318         .rx_queue_intr_enable   = hns3_dev_rx_queue_intr_enable,
5319         .rx_queue_intr_disable  = hns3_dev_rx_queue_intr_disable,
5320         .dev_configure          = hns3_dev_configure,
5321         .flow_ctrl_get          = hns3_flow_ctrl_get,
5322         .flow_ctrl_set          = hns3_flow_ctrl_set,
5323         .priority_flow_ctrl_set = hns3_priority_flow_ctrl_set,
5324         .mac_addr_add           = hns3_add_mac_addr,
5325         .mac_addr_remove        = hns3_remove_mac_addr,
5326         .mac_addr_set           = hns3_set_default_mac_addr,
5327         .set_mc_addr_list       = hns3_set_mc_mac_addr_list,
5328         .link_update            = hns3_dev_link_update,
5329         .rss_hash_update        = hns3_dev_rss_hash_update,
5330         .rss_hash_conf_get      = hns3_dev_rss_hash_conf_get,
5331         .reta_update            = hns3_dev_rss_reta_update,
5332         .reta_query             = hns3_dev_rss_reta_query,
5333         .filter_ctrl            = hns3_dev_filter_ctrl,
5334         .vlan_filter_set        = hns3_vlan_filter_set,
5335         .vlan_tpid_set          = hns3_vlan_tpid_set,
5336         .vlan_offload_set       = hns3_vlan_offload_set,
5337         .vlan_pvid_set          = hns3_vlan_pvid_set,
5338         .get_reg                = hns3_get_regs,
5339         .get_dcb_info           = hns3_get_dcb_info,
5340         .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
5341 };
5342
5343 static const struct hns3_reset_ops hns3_reset_ops = {
5344         .reset_service       = hns3_reset_service,
5345         .stop_service        = hns3_stop_service,
5346         .prepare_reset       = hns3_prepare_reset,
5347         .wait_hardware_ready = hns3_wait_hardware_ready,
5348         .reinit_dev          = hns3_reinit_dev,
5349         .restore_conf        = hns3_restore_conf,
5350         .start_service       = hns3_start_service,
5351 };
5352
5353 static int
5354 hns3_dev_init(struct rte_eth_dev *eth_dev)
5355 {
5356         struct rte_device *dev = eth_dev->device;
5357         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
5358         struct hns3_adapter *hns = eth_dev->data->dev_private;
5359         struct hns3_hw *hw = &hns->hw;
5360         uint16_t device_id = pci_dev->id.device_id;
5361         uint8_t revision;
5362         int ret;
5363
5364         PMD_INIT_FUNC_TRACE();
5365
5366         /* Get PCI revision id */
5367         ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
5368                                   HNS3_PCI_REVISION_ID);
5369         if (ret != HNS3_PCI_REVISION_ID_LEN) {
5370                 PMD_INIT_LOG(ERR, "Failed to read pci revision id, ret = %d",
5371                              ret);
5372                 return -EIO;
5373         }
5374         hw->revision = revision;
5375
5376         eth_dev->process_private = (struct hns3_process_private *)
5377             rte_zmalloc_socket("hns3_filter_list",
5378                                sizeof(struct hns3_process_private),
5379                                RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
5380         if (eth_dev->process_private == NULL) {
5381                 PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
5382                 return -ENOMEM;
5383         }
5384         /* initialize flow filter lists */
5385         hns3_filterlist_init(eth_dev);
5386
5387         hns3_set_rxtx_function(eth_dev);
5388         eth_dev->dev_ops = &hns3_eth_dev_ops;
5389         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
5390                 hns3_mp_init_secondary();
5391                 hw->secondary_cnt++;
5392                 return 0;
5393         }
5394
5395         hns3_mp_init_primary();
5396         hw->adapter_state = HNS3_NIC_UNINITIALIZED;
5397
5398         if (device_id == HNS3_DEV_ID_25GE_RDMA ||
5399             device_id == HNS3_DEV_ID_50GE_RDMA ||
5400             device_id == HNS3_DEV_ID_100G_RDMA_MACSEC)
5401                 hns3_set_bit(hw->flag, HNS3_DEV_SUPPORT_DCB_B, 1);
5402
5403         hns->is_vf = false;
5404         hw->data = eth_dev->data;
5405
5406         /*
5407          * Set default max packet size according to the mtu
5408          * default vale in DPDK frame.
5409          */
5410         hns->pf.mps = hw->data->mtu + HNS3_ETH_OVERHEAD;
5411
5412         ret = hns3_reset_init(hw);
5413         if (ret)
5414                 goto err_init_reset;
5415         hw->reset.ops = &hns3_reset_ops;
5416
5417         ret = hns3_init_pf(eth_dev);
5418         if (ret) {
5419                 PMD_INIT_LOG(ERR, "Failed to init pf: %d", ret);
5420                 goto err_init_pf;
5421         }
5422
5423         /* Allocate memory for storing MAC addresses */
5424         eth_dev->data->mac_addrs = rte_zmalloc("hns3-mac",
5425                                                sizeof(struct rte_ether_addr) *
5426                                                HNS3_UC_MACADDR_NUM, 0);
5427         if (eth_dev->data->mac_addrs == NULL) {
5428                 PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
5429                              "to store MAC addresses",
5430                              sizeof(struct rte_ether_addr) *
5431                              HNS3_UC_MACADDR_NUM);
5432                 ret = -ENOMEM;
5433                 goto err_rte_zmalloc;
5434         }
5435
5436         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
5437                             &eth_dev->data->mac_addrs[0]);
5438
5439         hw->adapter_state = HNS3_NIC_INITIALIZED;
5440         /*
5441          * Pass the information to the rte_eth_dev_close() that it should also
5442          * release the private port resources.
5443          */
5444         eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
5445
5446         if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_PENDING) {
5447                 hns3_err(hw, "Reschedule reset service after dev_init");
5448                 hns3_schedule_reset(hns);
5449         } else {
5450                 /* IMP will wait ready flag before reset */
5451                 hns3_notify_reset_ready(hw, false);
5452         }
5453
5454         hns3_info(hw, "hns3 dev initialization successful!");
5455         return 0;
5456
5457 err_rte_zmalloc:
5458         hns3_uninit_pf(eth_dev);
5459
5460 err_init_pf:
5461         rte_free(hw->reset.wait_data);
5462 err_init_reset:
5463         eth_dev->dev_ops = NULL;
5464         eth_dev->rx_pkt_burst = NULL;
5465         eth_dev->tx_pkt_burst = NULL;
5466         eth_dev->tx_pkt_prepare = NULL;
5467         rte_free(eth_dev->process_private);
5468         eth_dev->process_private = NULL;
5469         return ret;
5470 }
5471
5472 static int
5473 hns3_dev_uninit(struct rte_eth_dev *eth_dev)
5474 {
5475         struct hns3_adapter *hns = eth_dev->data->dev_private;
5476         struct hns3_hw *hw = &hns->hw;
5477
5478         PMD_INIT_FUNC_TRACE();
5479
5480         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
5481                 return -EPERM;
5482
5483         eth_dev->dev_ops = NULL;
5484         eth_dev->rx_pkt_burst = NULL;
5485         eth_dev->tx_pkt_burst = NULL;
5486         eth_dev->tx_pkt_prepare = NULL;
5487         if (hw->adapter_state < HNS3_NIC_CLOSING)
5488                 hns3_dev_close(eth_dev);
5489
5490         hw->adapter_state = HNS3_NIC_REMOVED;
5491         return 0;
5492 }
5493
5494 static int
5495 eth_hns3_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
5496                    struct rte_pci_device *pci_dev)
5497 {
5498         return rte_eth_dev_pci_generic_probe(pci_dev,
5499                                              sizeof(struct hns3_adapter),
5500                                              hns3_dev_init);
5501 }
5502
5503 static int
5504 eth_hns3_pci_remove(struct rte_pci_device *pci_dev)
5505 {
5506         return rte_eth_dev_pci_generic_remove(pci_dev, hns3_dev_uninit);
5507 }
5508
5509 static const struct rte_pci_id pci_id_hns3_map[] = {
5510         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_GE) },
5511         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE) },
5512         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE_RDMA) },
5513         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_50GE_RDMA) },
5514         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_MACSEC) },
5515         { .vendor_id = 0, /* sentinel */ },
5516 };
5517
5518 static struct rte_pci_driver rte_hns3_pmd = {
5519         .id_table = pci_id_hns3_map,
5520         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
5521         .probe = eth_hns3_pci_probe,
5522         .remove = eth_hns3_pci_remove,
5523 };
5524
5525 RTE_PMD_REGISTER_PCI(net_hns3, rte_hns3_pmd);
5526 RTE_PMD_REGISTER_PCI_TABLE(net_hns3, pci_id_hns3_map);
5527 RTE_PMD_REGISTER_KMOD_DEP(net_hns3, "* igb_uio | vfio-pci");
5528
5529 RTE_INIT(hns3_init_log)
5530 {
5531         hns3_logtype_init = rte_log_register("pmd.net.hns3.init");
5532         if (hns3_logtype_init >= 0)
5533                 rte_log_set_level(hns3_logtype_init, RTE_LOG_NOTICE);
5534         hns3_logtype_driver = rte_log_register("pmd.net.hns3.driver");
5535         if (hns3_logtype_driver >= 0)
5536                 rte_log_set_level(hns3_logtype_driver, RTE_LOG_NOTICE);
5537 }