net/hns3: implement Tx mbuf free on demand
[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 <rte_alarm.h>
6 #include <rte_bus_pci.h>
7 #include <ethdev_pci.h>
8 #include <rte_pci.h>
9
10 #include "hns3_ethdev.h"
11 #include "hns3_logs.h"
12 #include "hns3_rxtx.h"
13 #include "hns3_intr.h"
14 #include "hns3_regs.h"
15 #include "hns3_dcb.h"
16 #include "hns3_mp.h"
17
18 #define HNS3_DEFAULT_PORT_CONF_BURST_SIZE       32
19 #define HNS3_DEFAULT_PORT_CONF_QUEUES_NUM       1
20
21 #define HNS3_SERVICE_INTERVAL           1000000 /* us */
22 #define HNS3_SERVICE_QUICK_INTERVAL     10
23 #define HNS3_INVALID_PVID               0xFFFF
24
25 #define HNS3_FILTER_TYPE_VF             0
26 #define HNS3_FILTER_TYPE_PORT           1
27 #define HNS3_FILTER_FE_EGRESS_V1_B      BIT(0)
28 #define HNS3_FILTER_FE_NIC_INGRESS_B    BIT(0)
29 #define HNS3_FILTER_FE_NIC_EGRESS_B     BIT(1)
30 #define HNS3_FILTER_FE_ROCE_INGRESS_B   BIT(2)
31 #define HNS3_FILTER_FE_ROCE_EGRESS_B    BIT(3)
32 #define HNS3_FILTER_FE_EGRESS           (HNS3_FILTER_FE_NIC_EGRESS_B \
33                                         | HNS3_FILTER_FE_ROCE_EGRESS_B)
34 #define HNS3_FILTER_FE_INGRESS          (HNS3_FILTER_FE_NIC_INGRESS_B \
35                                         | HNS3_FILTER_FE_ROCE_INGRESS_B)
36
37 /* Reset related Registers */
38 #define HNS3_GLOBAL_RESET_BIT           0
39 #define HNS3_CORE_RESET_BIT             1
40 #define HNS3_IMP_RESET_BIT              2
41 #define HNS3_FUN_RST_ING_B              0
42
43 #define HNS3_VECTOR0_IMP_RESET_INT_B    1
44 #define HNS3_VECTOR0_IMP_CMDQ_ERR_B     4U
45 #define HNS3_VECTOR0_IMP_RD_POISON_B    5U
46 #define HNS3_VECTOR0_ALL_MSIX_ERR_B     6U
47
48 #define HNS3_RESET_WAIT_MS      100
49 #define HNS3_RESET_WAIT_CNT     200
50
51 /* FEC mode order defined in HNS3 hardware */
52 #define HNS3_HW_FEC_MODE_NOFEC  0
53 #define HNS3_HW_FEC_MODE_BASER  1
54 #define HNS3_HW_FEC_MODE_RS     2
55
56 enum hns3_evt_cause {
57         HNS3_VECTOR0_EVENT_RST,
58         HNS3_VECTOR0_EVENT_MBX,
59         HNS3_VECTOR0_EVENT_ERR,
60         HNS3_VECTOR0_EVENT_OTHER,
61 };
62
63 static const struct rte_eth_fec_capa speed_fec_capa_tbl[] = {
64         { ETH_SPEED_NUM_10G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
65                              RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
66                              RTE_ETH_FEC_MODE_CAPA_MASK(BASER) },
67
68         { ETH_SPEED_NUM_25G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
69                              RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
70                              RTE_ETH_FEC_MODE_CAPA_MASK(BASER) |
71                              RTE_ETH_FEC_MODE_CAPA_MASK(RS) },
72
73         { ETH_SPEED_NUM_40G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
74                              RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
75                              RTE_ETH_FEC_MODE_CAPA_MASK(BASER) },
76
77         { ETH_SPEED_NUM_50G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
78                              RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
79                              RTE_ETH_FEC_MODE_CAPA_MASK(BASER) |
80                              RTE_ETH_FEC_MODE_CAPA_MASK(RS) },
81
82         { ETH_SPEED_NUM_100G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
83                               RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
84                               RTE_ETH_FEC_MODE_CAPA_MASK(RS) },
85
86         { ETH_SPEED_NUM_200G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
87                               RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
88                               RTE_ETH_FEC_MODE_CAPA_MASK(RS) }
89 };
90
91 static enum hns3_reset_level hns3_get_reset_level(struct hns3_adapter *hns,
92                                                  uint64_t *levels);
93 static int hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
94 static int hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid,
95                                     int on);
96 static int hns3_update_link_info(struct rte_eth_dev *eth_dev);
97 static bool hns3_update_link_status(struct hns3_hw *hw);
98
99 static int hns3_add_mc_addr(struct hns3_hw *hw,
100                             struct rte_ether_addr *mac_addr);
101 static int hns3_remove_mc_addr(struct hns3_hw *hw,
102                             struct rte_ether_addr *mac_addr);
103 static int hns3_restore_fec(struct hns3_hw *hw);
104 static int hns3_query_dev_fec_info(struct hns3_hw *hw);
105
106 void hns3_ether_format_addr(char *buf, uint16_t size,
107                             const struct rte_ether_addr *ether_addr)
108 {
109         snprintf(buf, size, "%02X:**:**:**:%02X:%02X",
110                 ether_addr->addr_bytes[0],
111                 ether_addr->addr_bytes[4],
112                 ether_addr->addr_bytes[5]);
113 }
114
115 static void
116 hns3_pf_disable_irq0(struct hns3_hw *hw)
117 {
118         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 0);
119 }
120
121 static void
122 hns3_pf_enable_irq0(struct hns3_hw *hw)
123 {
124         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 1);
125 }
126
127 static enum hns3_evt_cause
128 hns3_proc_imp_reset_event(struct hns3_adapter *hns, bool is_delay,
129                           uint32_t *vec_val)
130 {
131         struct hns3_hw *hw = &hns->hw;
132
133         __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
134         hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
135         *vec_val = BIT(HNS3_VECTOR0_IMPRESET_INT_B);
136         if (!is_delay) {
137                 hw->reset.stats.imp_cnt++;
138                 hns3_warn(hw, "IMP reset detected, clear reset status");
139         } else {
140                 hns3_schedule_delayed_reset(hns);
141                 hns3_warn(hw, "IMP reset detected, don't clear reset status");
142         }
143
144         return HNS3_VECTOR0_EVENT_RST;
145 }
146
147 static enum hns3_evt_cause
148 hns3_proc_global_reset_event(struct hns3_adapter *hns, bool is_delay,
149                              uint32_t *vec_val)
150 {
151         struct hns3_hw *hw = &hns->hw;
152
153         __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
154         hns3_atomic_set_bit(HNS3_GLOBAL_RESET, &hw->reset.pending);
155         *vec_val = BIT(HNS3_VECTOR0_GLOBALRESET_INT_B);
156         if (!is_delay) {
157                 hw->reset.stats.global_cnt++;
158                 hns3_warn(hw, "Global reset detected, clear reset status");
159         } else {
160                 hns3_schedule_delayed_reset(hns);
161                 hns3_warn(hw,
162                           "Global reset detected, don't clear reset status");
163         }
164
165         return HNS3_VECTOR0_EVENT_RST;
166 }
167
168 static enum hns3_evt_cause
169 hns3_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval)
170 {
171         struct hns3_hw *hw = &hns->hw;
172         uint32_t vector0_int_stats;
173         uint32_t cmdq_src_val;
174         uint32_t hw_err_src_reg;
175         uint32_t val;
176         enum hns3_evt_cause ret;
177         bool is_delay;
178
179         /* fetch the events from their corresponding regs */
180         vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
181         cmdq_src_val = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG);
182         hw_err_src_reg = hns3_read_dev(hw, HNS3_RAS_PF_OTHER_INT_STS_REG);
183
184         is_delay = clearval == NULL ? true : false;
185         /*
186          * Assumption: If by any chance reset and mailbox events are reported
187          * together then we will only process reset event and defer the
188          * processing of the mailbox events. Since, we would have not cleared
189          * RX CMDQ event this time we would receive again another interrupt
190          * from H/W just for the mailbox.
191          */
192         if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats) { /* IMP */
193                 ret = hns3_proc_imp_reset_event(hns, is_delay, &val);
194                 goto out;
195         }
196
197         /* Global reset */
198         if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats) {
199                 ret = hns3_proc_global_reset_event(hns, is_delay, &val);
200                 goto out;
201         }
202
203         /* check for vector0 msix event source */
204         if (vector0_int_stats & HNS3_VECTOR0_REG_MSIX_MASK ||
205             hw_err_src_reg & HNS3_RAS_REG_NFE_MASK) {
206                 val = vector0_int_stats | hw_err_src_reg;
207                 ret = HNS3_VECTOR0_EVENT_ERR;
208                 goto out;
209         }
210
211         /* check for vector0 mailbox(=CMDQ RX) event source */
212         if (BIT(HNS3_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_val) {
213                 cmdq_src_val &= ~BIT(HNS3_VECTOR0_RX_CMDQ_INT_B);
214                 val = cmdq_src_val;
215                 ret = HNS3_VECTOR0_EVENT_MBX;
216                 goto out;
217         }
218
219         if (clearval && (vector0_int_stats || cmdq_src_val || hw_err_src_reg))
220                 hns3_warn(hw, "vector0_int_stats:0x%x cmdq_src_val:0x%x hw_err_src_reg:0x%x",
221                           vector0_int_stats, cmdq_src_val, hw_err_src_reg);
222         val = vector0_int_stats;
223         ret = HNS3_VECTOR0_EVENT_OTHER;
224 out:
225
226         if (clearval)
227                 *clearval = val;
228         return ret;
229 }
230
231 static void
232 hns3_clear_event_cause(struct hns3_hw *hw, uint32_t event_type, uint32_t regclr)
233 {
234         if (event_type == HNS3_VECTOR0_EVENT_RST)
235                 hns3_write_dev(hw, HNS3_MISC_RESET_STS_REG, regclr);
236         else if (event_type == HNS3_VECTOR0_EVENT_MBX)
237                 hns3_write_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG, regclr);
238 }
239
240 static void
241 hns3_clear_all_event_cause(struct hns3_hw *hw)
242 {
243         uint32_t vector0_int_stats;
244         vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
245
246         if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats)
247                 hns3_warn(hw, "Probe during IMP reset interrupt");
248
249         if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats)
250                 hns3_warn(hw, "Probe during Global reset interrupt");
251
252         hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_RST,
253                                BIT(HNS3_VECTOR0_IMPRESET_INT_B) |
254                                BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) |
255                                BIT(HNS3_VECTOR0_CORERESET_INT_B));
256         hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_MBX, 0);
257 }
258
259 static void
260 hns3_interrupt_handler(void *param)
261 {
262         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
263         struct hns3_adapter *hns = dev->data->dev_private;
264         struct hns3_hw *hw = &hns->hw;
265         enum hns3_evt_cause event_cause;
266         uint32_t clearval = 0;
267
268         /* Disable interrupt */
269         hns3_pf_disable_irq0(hw);
270
271         event_cause = hns3_check_event_cause(hns, &clearval);
272         /* vector 0 interrupt is shared with reset and mailbox source events. */
273         if (event_cause == HNS3_VECTOR0_EVENT_ERR) {
274                 hns3_warn(hw, "Received err interrupt");
275                 hns3_handle_msix_error(hns, &hw->reset.request);
276                 hns3_handle_ras_error(hns, &hw->reset.request);
277                 hns3_schedule_reset(hns);
278         } else if (event_cause == HNS3_VECTOR0_EVENT_RST) {
279                 hns3_warn(hw, "Received reset interrupt");
280                 hns3_schedule_reset(hns);
281         } else if (event_cause == HNS3_VECTOR0_EVENT_MBX)
282                 hns3_dev_handle_mbx_msg(hw);
283         else
284                 hns3_err(hw, "Received unknown event");
285
286         hns3_clear_event_cause(hw, event_cause, clearval);
287         /* Enable interrupt if it is not cause by reset */
288         hns3_pf_enable_irq0(hw);
289 }
290
291 static int
292 hns3_set_port_vlan_filter(struct hns3_adapter *hns, uint16_t vlan_id, int on)
293 {
294 #define HNS3_VLAN_ID_OFFSET_STEP        160
295 #define HNS3_VLAN_BYTE_SIZE             8
296         struct hns3_vlan_filter_pf_cfg_cmd *req;
297         struct hns3_hw *hw = &hns->hw;
298         uint8_t vlan_offset_byte_val;
299         struct hns3_cmd_desc desc;
300         uint8_t vlan_offset_byte;
301         uint8_t vlan_offset_base;
302         int ret;
303
304         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_PF_CFG, false);
305
306         vlan_offset_base = vlan_id / HNS3_VLAN_ID_OFFSET_STEP;
307         vlan_offset_byte = (vlan_id % HNS3_VLAN_ID_OFFSET_STEP) /
308                            HNS3_VLAN_BYTE_SIZE;
309         vlan_offset_byte_val = 1 << (vlan_id % HNS3_VLAN_BYTE_SIZE);
310
311         req = (struct hns3_vlan_filter_pf_cfg_cmd *)desc.data;
312         req->vlan_offset = vlan_offset_base;
313         req->vlan_cfg = on ? 0 : 1;
314         req->vlan_offset_bitmap[vlan_offset_byte] = vlan_offset_byte_val;
315
316         ret = hns3_cmd_send(hw, &desc, 1);
317         if (ret)
318                 hns3_err(hw, "set port vlan id failed, vlan_id =%u, ret =%d",
319                          vlan_id, ret);
320
321         return ret;
322 }
323
324 static void
325 hns3_rm_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id)
326 {
327         struct hns3_user_vlan_table *vlan_entry;
328         struct hns3_pf *pf = &hns->pf;
329
330         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
331                 if (vlan_entry->vlan_id == vlan_id) {
332                         if (vlan_entry->hd_tbl_status)
333                                 hns3_set_port_vlan_filter(hns, vlan_id, 0);
334                         LIST_REMOVE(vlan_entry, next);
335                         rte_free(vlan_entry);
336                         break;
337                 }
338         }
339 }
340
341 static void
342 hns3_add_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id,
343                         bool writen_to_tbl)
344 {
345         struct hns3_user_vlan_table *vlan_entry;
346         struct hns3_hw *hw = &hns->hw;
347         struct hns3_pf *pf = &hns->pf;
348
349         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
350                 if (vlan_entry->vlan_id == vlan_id)
351                         return;
352         }
353
354         vlan_entry = rte_zmalloc("hns3_vlan_tbl", sizeof(*vlan_entry), 0);
355         if (vlan_entry == NULL) {
356                 hns3_err(hw, "Failed to malloc hns3 vlan table");
357                 return;
358         }
359
360         vlan_entry->hd_tbl_status = writen_to_tbl;
361         vlan_entry->vlan_id = vlan_id;
362
363         LIST_INSERT_HEAD(&pf->vlan_list, vlan_entry, next);
364 }
365
366 static int
367 hns3_restore_vlan_table(struct hns3_adapter *hns)
368 {
369         struct hns3_user_vlan_table *vlan_entry;
370         struct hns3_hw *hw = &hns->hw;
371         struct hns3_pf *pf = &hns->pf;
372         uint16_t vlan_id;
373         int ret = 0;
374
375         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_ENABLE)
376                 return hns3_vlan_pvid_configure(hns,
377                                                 hw->port_base_vlan_cfg.pvid, 1);
378
379         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
380                 if (vlan_entry->hd_tbl_status) {
381                         vlan_id = vlan_entry->vlan_id;
382                         ret = hns3_set_port_vlan_filter(hns, vlan_id, 1);
383                         if (ret)
384                                 break;
385                 }
386         }
387
388         return ret;
389 }
390
391 static int
392 hns3_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on)
393 {
394         struct hns3_hw *hw = &hns->hw;
395         bool writen_to_tbl = false;
396         int ret = 0;
397
398         /*
399          * When vlan filter is enabled, hardware regards packets without vlan
400          * as packets with vlan 0. So, to receive packets without vlan, vlan id
401          * 0 is not allowed to be removed by rte_eth_dev_vlan_filter.
402          */
403         if (on == 0 && vlan_id == 0)
404                 return 0;
405
406         /*
407          * When port base vlan enabled, we use port base vlan as the vlan
408          * filter condition. In this case, we don't update vlan filter table
409          * when user add new vlan or remove exist vlan, just update the
410          * vlan list. The vlan id in vlan list will be writen in vlan filter
411          * table until port base vlan disabled
412          */
413         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
414                 ret = hns3_set_port_vlan_filter(hns, vlan_id, on);
415                 writen_to_tbl = true;
416         }
417
418         if (ret == 0) {
419                 if (on)
420                         hns3_add_dev_vlan_table(hns, vlan_id, writen_to_tbl);
421                 else
422                         hns3_rm_dev_vlan_table(hns, vlan_id);
423         }
424         return ret;
425 }
426
427 static int
428 hns3_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
429 {
430         struct hns3_adapter *hns = dev->data->dev_private;
431         struct hns3_hw *hw = &hns->hw;
432         int ret;
433
434         rte_spinlock_lock(&hw->lock);
435         ret = hns3_vlan_filter_configure(hns, vlan_id, on);
436         rte_spinlock_unlock(&hw->lock);
437         return ret;
438 }
439
440 static int
441 hns3_vlan_tpid_configure(struct hns3_adapter *hns, enum rte_vlan_type vlan_type,
442                          uint16_t tpid)
443 {
444         struct hns3_rx_vlan_type_cfg_cmd *rx_req;
445         struct hns3_tx_vlan_type_cfg_cmd *tx_req;
446         struct hns3_hw *hw = &hns->hw;
447         struct hns3_cmd_desc desc;
448         int ret;
449
450         if ((vlan_type != ETH_VLAN_TYPE_INNER &&
451              vlan_type != ETH_VLAN_TYPE_OUTER)) {
452                 hns3_err(hw, "Unsupported vlan type, vlan_type =%d", vlan_type);
453                 return -EINVAL;
454         }
455
456         if (tpid != RTE_ETHER_TYPE_VLAN) {
457                 hns3_err(hw, "Unsupported vlan tpid, vlan_type =%d", vlan_type);
458                 return -EINVAL;
459         }
460
461         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_TYPE_ID, false);
462         rx_req = (struct hns3_rx_vlan_type_cfg_cmd *)desc.data;
463
464         if (vlan_type == ETH_VLAN_TYPE_OUTER) {
465                 rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
466                 rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
467         } else if (vlan_type == ETH_VLAN_TYPE_INNER) {
468                 rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
469                 rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
470                 rx_req->in_fst_vlan_type = rte_cpu_to_le_16(tpid);
471                 rx_req->in_sec_vlan_type = rte_cpu_to_le_16(tpid);
472         }
473
474         ret = hns3_cmd_send(hw, &desc, 1);
475         if (ret) {
476                 hns3_err(hw, "Send rxvlan protocol type command fail, ret =%d",
477                          ret);
478                 return ret;
479         }
480
481         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_INSERT, false);
482
483         tx_req = (struct hns3_tx_vlan_type_cfg_cmd *)desc.data;
484         tx_req->ot_vlan_type = rte_cpu_to_le_16(tpid);
485         tx_req->in_vlan_type = rte_cpu_to_le_16(tpid);
486
487         ret = hns3_cmd_send(hw, &desc, 1);
488         if (ret)
489                 hns3_err(hw, "Send txvlan protocol type command fail, ret =%d",
490                          ret);
491         return ret;
492 }
493
494 static int
495 hns3_vlan_tpid_set(struct rte_eth_dev *dev, enum rte_vlan_type vlan_type,
496                    uint16_t tpid)
497 {
498         struct hns3_adapter *hns = dev->data->dev_private;
499         struct hns3_hw *hw = &hns->hw;
500         int ret;
501
502         rte_spinlock_lock(&hw->lock);
503         ret = hns3_vlan_tpid_configure(hns, vlan_type, tpid);
504         rte_spinlock_unlock(&hw->lock);
505         return ret;
506 }
507
508 static int
509 hns3_set_vlan_rx_offload_cfg(struct hns3_adapter *hns,
510                              struct hns3_rx_vtag_cfg *vcfg)
511 {
512         struct hns3_vport_vtag_rx_cfg_cmd *req;
513         struct hns3_hw *hw = &hns->hw;
514         struct hns3_cmd_desc desc;
515         uint16_t vport_id;
516         uint8_t bitmap;
517         int ret;
518
519         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_RX_CFG, false);
520
521         req = (struct hns3_vport_vtag_rx_cfg_cmd *)desc.data;
522         hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG1_EN_B,
523                      vcfg->strip_tag1_en ? 1 : 0);
524         hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG2_EN_B,
525                      vcfg->strip_tag2_en ? 1 : 0);
526         hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG1_EN_B,
527                      vcfg->vlan1_vlan_prionly ? 1 : 0);
528         hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG2_EN_B,
529                      vcfg->vlan2_vlan_prionly ? 1 : 0);
530
531         /* firmwall will ignore this configuration for PCI_REVISION_ID_HIP08 */
532         hns3_set_bit(req->vport_vlan_cfg, HNS3_DISCARD_TAG1_EN_B,
533                      vcfg->strip_tag1_discard_en ? 1 : 0);
534         hns3_set_bit(req->vport_vlan_cfg, HNS3_DISCARD_TAG2_EN_B,
535                      vcfg->strip_tag2_discard_en ? 1 : 0);
536         /*
537          * In current version VF is not supported when PF is driven by DPDK
538          * driver, just need to configure parameters for PF vport.
539          */
540         vport_id = HNS3_PF_FUNC_ID;
541         req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
542         bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
543         req->vf_bitmap[req->vf_offset] = bitmap;
544
545         ret = hns3_cmd_send(hw, &desc, 1);
546         if (ret)
547                 hns3_err(hw, "Send port rxvlan cfg command fail, ret =%d", ret);
548         return ret;
549 }
550
551 static void
552 hns3_update_rx_offload_cfg(struct hns3_adapter *hns,
553                            struct hns3_rx_vtag_cfg *vcfg)
554 {
555         struct hns3_pf *pf = &hns->pf;
556         memcpy(&pf->vtag_config.rx_vcfg, vcfg, sizeof(pf->vtag_config.rx_vcfg));
557 }
558
559 static void
560 hns3_update_tx_offload_cfg(struct hns3_adapter *hns,
561                            struct hns3_tx_vtag_cfg *vcfg)
562 {
563         struct hns3_pf *pf = &hns->pf;
564         memcpy(&pf->vtag_config.tx_vcfg, vcfg, sizeof(pf->vtag_config.tx_vcfg));
565 }
566
567 static int
568 hns3_en_hw_strip_rxvtag(struct hns3_adapter *hns, bool enable)
569 {
570         struct hns3_rx_vtag_cfg rxvlan_cfg;
571         struct hns3_hw *hw = &hns->hw;
572         int ret;
573
574         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
575                 rxvlan_cfg.strip_tag1_en = false;
576                 rxvlan_cfg.strip_tag2_en = enable;
577                 rxvlan_cfg.strip_tag2_discard_en = false;
578         } else {
579                 rxvlan_cfg.strip_tag1_en = enable;
580                 rxvlan_cfg.strip_tag2_en = true;
581                 rxvlan_cfg.strip_tag2_discard_en = true;
582         }
583
584         rxvlan_cfg.strip_tag1_discard_en = false;
585         rxvlan_cfg.vlan1_vlan_prionly = false;
586         rxvlan_cfg.vlan2_vlan_prionly = false;
587         rxvlan_cfg.rx_vlan_offload_en = enable;
588
589         ret = hns3_set_vlan_rx_offload_cfg(hns, &rxvlan_cfg);
590         if (ret) {
591                 hns3_err(hw, "enable strip rx vtag failed, ret =%d", ret);
592                 return ret;
593         }
594
595         hns3_update_rx_offload_cfg(hns, &rxvlan_cfg);
596
597         return ret;
598 }
599
600 static int
601 hns3_set_vlan_filter_ctrl(struct hns3_hw *hw, uint8_t vlan_type,
602                           uint8_t fe_type, bool filter_en, uint8_t vf_id)
603 {
604         struct hns3_vlan_filter_ctrl_cmd *req;
605         struct hns3_cmd_desc desc;
606         int ret;
607
608         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_CTRL, false);
609
610         req = (struct hns3_vlan_filter_ctrl_cmd *)desc.data;
611         req->vlan_type = vlan_type;
612         req->vlan_fe = filter_en ? fe_type : 0;
613         req->vf_id = vf_id;
614
615         ret = hns3_cmd_send(hw, &desc, 1);
616         if (ret)
617                 hns3_err(hw, "set vlan filter fail, ret =%d", ret);
618
619         return ret;
620 }
621
622 static int
623 hns3_vlan_filter_init(struct hns3_adapter *hns)
624 {
625         struct hns3_hw *hw = &hns->hw;
626         int ret;
627
628         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_VF,
629                                         HNS3_FILTER_FE_EGRESS, false,
630                                         HNS3_PF_FUNC_ID);
631         if (ret) {
632                 hns3_err(hw, "failed to init vf vlan filter, ret = %d", ret);
633                 return ret;
634         }
635
636         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
637                                         HNS3_FILTER_FE_INGRESS, false,
638                                         HNS3_PF_FUNC_ID);
639         if (ret)
640                 hns3_err(hw, "failed to init port vlan filter, ret = %d", ret);
641
642         return ret;
643 }
644
645 static int
646 hns3_enable_vlan_filter(struct hns3_adapter *hns, bool enable)
647 {
648         struct hns3_hw *hw = &hns->hw;
649         int ret;
650
651         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
652                                         HNS3_FILTER_FE_INGRESS, enable,
653                                         HNS3_PF_FUNC_ID);
654         if (ret)
655                 hns3_err(hw, "failed to %s port vlan filter, ret = %d",
656                          enable ? "enable" : "disable", ret);
657
658         return ret;
659 }
660
661 static int
662 hns3_vlan_offload_set(struct rte_eth_dev *dev, int mask)
663 {
664         struct hns3_adapter *hns = dev->data->dev_private;
665         struct hns3_hw *hw = &hns->hw;
666         struct rte_eth_rxmode *rxmode;
667         unsigned int tmp_mask;
668         bool enable;
669         int ret = 0;
670
671         rte_spinlock_lock(&hw->lock);
672         rxmode = &dev->data->dev_conf.rxmode;
673         tmp_mask = (unsigned int)mask;
674         if (tmp_mask & ETH_VLAN_FILTER_MASK) {
675                 /* ignore vlan filter configuration during promiscuous mode */
676                 if (!dev->data->promiscuous) {
677                         /* Enable or disable VLAN filter */
678                         enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER ?
679                                  true : false;
680
681                         ret = hns3_enable_vlan_filter(hns, enable);
682                         if (ret) {
683                                 rte_spinlock_unlock(&hw->lock);
684                                 hns3_err(hw, "failed to %s rx filter, ret = %d",
685                                          enable ? "enable" : "disable", ret);
686                                 return ret;
687                         }
688                 }
689         }
690
691         if (tmp_mask & ETH_VLAN_STRIP_MASK) {
692                 /* Enable or disable VLAN stripping */
693                 enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP ?
694                     true : false;
695
696                 ret = hns3_en_hw_strip_rxvtag(hns, enable);
697                 if (ret) {
698                         rte_spinlock_unlock(&hw->lock);
699                         hns3_err(hw, "failed to %s rx strip, ret = %d",
700                                  enable ? "enable" : "disable", ret);
701                         return ret;
702                 }
703         }
704
705         rte_spinlock_unlock(&hw->lock);
706
707         return ret;
708 }
709
710 static int
711 hns3_set_vlan_tx_offload_cfg(struct hns3_adapter *hns,
712                              struct hns3_tx_vtag_cfg *vcfg)
713 {
714         struct hns3_vport_vtag_tx_cfg_cmd *req;
715         struct hns3_cmd_desc desc;
716         struct hns3_hw *hw = &hns->hw;
717         uint16_t vport_id;
718         uint8_t bitmap;
719         int ret;
720
721         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_TX_CFG, false);
722
723         req = (struct hns3_vport_vtag_tx_cfg_cmd *)desc.data;
724         req->def_vlan_tag1 = vcfg->default_tag1;
725         req->def_vlan_tag2 = vcfg->default_tag2;
726         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG1_B,
727                      vcfg->accept_tag1 ? 1 : 0);
728         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG1_B,
729                      vcfg->accept_untag1 ? 1 : 0);
730         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG2_B,
731                      vcfg->accept_tag2 ? 1 : 0);
732         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG2_B,
733                      vcfg->accept_untag2 ? 1 : 0);
734         hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG1_EN_B,
735                      vcfg->insert_tag1_en ? 1 : 0);
736         hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG2_EN_B,
737                      vcfg->insert_tag2_en ? 1 : 0);
738         hns3_set_bit(req->vport_vlan_cfg, HNS3_CFG_NIC_ROCE_SEL_B, 0);
739
740         /* firmwall will ignore this configuration for PCI_REVISION_ID_HIP08 */
741         hns3_set_bit(req->vport_vlan_cfg, HNS3_TAG_SHIFT_MODE_EN_B,
742                      vcfg->tag_shift_mode_en ? 1 : 0);
743
744         /*
745          * In current version VF is not supported when PF is driven by DPDK
746          * driver, just need to configure parameters for PF vport.
747          */
748         vport_id = HNS3_PF_FUNC_ID;
749         req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
750         bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
751         req->vf_bitmap[req->vf_offset] = bitmap;
752
753         ret = hns3_cmd_send(hw, &desc, 1);
754         if (ret)
755                 hns3_err(hw, "Send port txvlan cfg command fail, ret =%d", ret);
756
757         return ret;
758 }
759
760 static int
761 hns3_vlan_txvlan_cfg(struct hns3_adapter *hns, uint16_t port_base_vlan_state,
762                      uint16_t pvid)
763 {
764         struct hns3_hw *hw = &hns->hw;
765         struct hns3_tx_vtag_cfg txvlan_cfg;
766         int ret;
767
768         if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_DISABLE) {
769                 txvlan_cfg.accept_tag1 = true;
770                 txvlan_cfg.insert_tag1_en = false;
771                 txvlan_cfg.default_tag1 = 0;
772         } else {
773                 txvlan_cfg.accept_tag1 =
774                         hw->vlan_mode == HNS3_HW_SHIFT_AND_DISCARD_MODE;
775                 txvlan_cfg.insert_tag1_en = true;
776                 txvlan_cfg.default_tag1 = pvid;
777         }
778
779         txvlan_cfg.accept_untag1 = true;
780         txvlan_cfg.accept_tag2 = true;
781         txvlan_cfg.accept_untag2 = true;
782         txvlan_cfg.insert_tag2_en = false;
783         txvlan_cfg.default_tag2 = 0;
784         txvlan_cfg.tag_shift_mode_en = true;
785
786         ret = hns3_set_vlan_tx_offload_cfg(hns, &txvlan_cfg);
787         if (ret) {
788                 hns3_err(hw, "pf vlan set pvid failed, pvid =%u ,ret =%d", pvid,
789                          ret);
790                 return ret;
791         }
792
793         hns3_update_tx_offload_cfg(hns, &txvlan_cfg);
794         return ret;
795 }
796
797
798 static void
799 hns3_rm_all_vlan_table(struct hns3_adapter *hns, bool is_del_list)
800 {
801         struct hns3_user_vlan_table *vlan_entry;
802         struct hns3_pf *pf = &hns->pf;
803
804         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
805                 if (vlan_entry->hd_tbl_status) {
806                         hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 0);
807                         vlan_entry->hd_tbl_status = false;
808                 }
809         }
810
811         if (is_del_list) {
812                 vlan_entry = LIST_FIRST(&pf->vlan_list);
813                 while (vlan_entry) {
814                         LIST_REMOVE(vlan_entry, next);
815                         rte_free(vlan_entry);
816                         vlan_entry = LIST_FIRST(&pf->vlan_list);
817                 }
818         }
819 }
820
821 static void
822 hns3_add_all_vlan_table(struct hns3_adapter *hns)
823 {
824         struct hns3_user_vlan_table *vlan_entry;
825         struct hns3_pf *pf = &hns->pf;
826
827         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
828                 if (!vlan_entry->hd_tbl_status) {
829                         hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 1);
830                         vlan_entry->hd_tbl_status = true;
831                 }
832         }
833 }
834
835 static void
836 hns3_remove_all_vlan_table(struct hns3_adapter *hns)
837 {
838         struct hns3_hw *hw = &hns->hw;
839         int ret;
840
841         hns3_rm_all_vlan_table(hns, true);
842         if (hw->port_base_vlan_cfg.pvid != HNS3_INVALID_PVID) {
843                 ret = hns3_set_port_vlan_filter(hns,
844                                                 hw->port_base_vlan_cfg.pvid, 0);
845                 if (ret) {
846                         hns3_err(hw, "Failed to remove all vlan table, ret =%d",
847                                  ret);
848                         return;
849                 }
850         }
851 }
852
853 static int
854 hns3_update_vlan_filter_entries(struct hns3_adapter *hns,
855                         uint16_t port_base_vlan_state, uint16_t new_pvid)
856 {
857         struct hns3_hw *hw = &hns->hw;
858         uint16_t old_pvid;
859         int ret;
860
861         if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_ENABLE) {
862                 old_pvid = hw->port_base_vlan_cfg.pvid;
863                 if (old_pvid != HNS3_INVALID_PVID) {
864                         ret = hns3_set_port_vlan_filter(hns, old_pvid, 0);
865                         if (ret) {
866                                 hns3_err(hw, "failed to remove old pvid %u, "
867                                                 "ret = %d", old_pvid, ret);
868                                 return ret;
869                         }
870                 }
871
872                 hns3_rm_all_vlan_table(hns, false);
873                 ret = hns3_set_port_vlan_filter(hns, new_pvid, 1);
874                 if (ret) {
875                         hns3_err(hw, "failed to add new pvid %u, ret = %d",
876                                         new_pvid, ret);
877                         return ret;
878                 }
879         } else {
880                 ret = hns3_set_port_vlan_filter(hns, new_pvid, 0);
881                 if (ret) {
882                         hns3_err(hw, "failed to remove pvid %u, ret = %d",
883                                         new_pvid, ret);
884                         return ret;
885                 }
886
887                 hns3_add_all_vlan_table(hns);
888         }
889         return 0;
890 }
891
892 static int
893 hns3_en_pvid_strip(struct hns3_adapter *hns, int on)
894 {
895         struct hns3_rx_vtag_cfg *old_cfg = &hns->pf.vtag_config.rx_vcfg;
896         struct hns3_rx_vtag_cfg rx_vlan_cfg;
897         bool rx_strip_en;
898         int ret;
899
900         rx_strip_en = old_cfg->rx_vlan_offload_en;
901         if (on) {
902                 rx_vlan_cfg.strip_tag1_en = rx_strip_en;
903                 rx_vlan_cfg.strip_tag2_en = true;
904                 rx_vlan_cfg.strip_tag2_discard_en = true;
905         } else {
906                 rx_vlan_cfg.strip_tag1_en = false;
907                 rx_vlan_cfg.strip_tag2_en = rx_strip_en;
908                 rx_vlan_cfg.strip_tag2_discard_en = false;
909         }
910         rx_vlan_cfg.strip_tag1_discard_en = false;
911         rx_vlan_cfg.vlan1_vlan_prionly = false;
912         rx_vlan_cfg.vlan2_vlan_prionly = false;
913         rx_vlan_cfg.rx_vlan_offload_en = old_cfg->rx_vlan_offload_en;
914
915         ret = hns3_set_vlan_rx_offload_cfg(hns, &rx_vlan_cfg);
916         if (ret)
917                 return ret;
918
919         hns3_update_rx_offload_cfg(hns, &rx_vlan_cfg);
920         return ret;
921 }
922
923 static int
924 hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid, int on)
925 {
926         struct hns3_hw *hw = &hns->hw;
927         uint16_t port_base_vlan_state;
928         int ret;
929
930         if (on == 0 && pvid != hw->port_base_vlan_cfg.pvid) {
931                 if (hw->port_base_vlan_cfg.pvid != HNS3_INVALID_PVID)
932                         hns3_warn(hw, "Invalid operation! As current pvid set "
933                                   "is %u, disable pvid %u is invalid",
934                                   hw->port_base_vlan_cfg.pvid, pvid);
935                 return 0;
936         }
937
938         port_base_vlan_state = on ? HNS3_PORT_BASE_VLAN_ENABLE :
939                                     HNS3_PORT_BASE_VLAN_DISABLE;
940         ret = hns3_vlan_txvlan_cfg(hns, port_base_vlan_state, pvid);
941         if (ret) {
942                 hns3_err(hw, "failed to config tx vlan for pvid, ret = %d",
943                          ret);
944                 return ret;
945         }
946
947         ret = hns3_en_pvid_strip(hns, on);
948         if (ret) {
949                 hns3_err(hw, "failed to config rx vlan strip for pvid, "
950                          "ret = %d", ret);
951                 return ret;
952         }
953
954         if (pvid == HNS3_INVALID_PVID)
955                 goto out;
956         ret = hns3_update_vlan_filter_entries(hns, port_base_vlan_state, pvid);
957         if (ret) {
958                 hns3_err(hw, "failed to update vlan filter entries, ret = %d",
959                          ret);
960                 return ret;
961         }
962
963 out:
964         hw->port_base_vlan_cfg.state = port_base_vlan_state;
965         hw->port_base_vlan_cfg.pvid = on ? pvid : HNS3_INVALID_PVID;
966         return ret;
967 }
968
969 static int
970 hns3_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, int on)
971 {
972         struct hns3_adapter *hns = dev->data->dev_private;
973         struct hns3_hw *hw = &hns->hw;
974         bool pvid_en_state_change;
975         uint16_t pvid_state;
976         int ret;
977
978         if (pvid > RTE_ETHER_MAX_VLAN_ID) {
979                 hns3_err(hw, "Invalid vlan_id = %u > %d", pvid,
980                          RTE_ETHER_MAX_VLAN_ID);
981                 return -EINVAL;
982         }
983
984         /*
985          * If PVID configuration state change, should refresh the PVID
986          * configuration state in struct hns3_tx_queue/hns3_rx_queue.
987          */
988         pvid_state = hw->port_base_vlan_cfg.state;
989         if ((on && pvid_state == HNS3_PORT_BASE_VLAN_ENABLE) ||
990             (!on && pvid_state == HNS3_PORT_BASE_VLAN_DISABLE))
991                 pvid_en_state_change = false;
992         else
993                 pvid_en_state_change = true;
994
995         rte_spinlock_lock(&hw->lock);
996         ret = hns3_vlan_pvid_configure(hns, pvid, on);
997         rte_spinlock_unlock(&hw->lock);
998         if (ret)
999                 return ret;
1000         /*
1001          * Only in HNS3_SW_SHIFT_AND_MODE the PVID related operation in Tx/Rx
1002          * need be processed by PMD driver.
1003          */
1004         if (pvid_en_state_change &&
1005             hw->vlan_mode == HNS3_SW_SHIFT_AND_DISCARD_MODE)
1006                 hns3_update_all_queues_pvid_proc_en(hw);
1007
1008         return 0;
1009 }
1010
1011 static int
1012 hns3_default_vlan_config(struct hns3_adapter *hns)
1013 {
1014         struct hns3_hw *hw = &hns->hw;
1015         int ret;
1016
1017         /*
1018          * When vlan filter is enabled, hardware regards packets without vlan
1019          * as packets with vlan 0. Therefore, if vlan 0 is not in the vlan
1020          * table, packets without vlan won't be received. So, add vlan 0 as
1021          * the default vlan.
1022          */
1023         ret = hns3_vlan_filter_configure(hns, 0, 1);
1024         if (ret)
1025                 hns3_err(hw, "default vlan 0 config failed, ret =%d", ret);
1026         return ret;
1027 }
1028
1029 static int
1030 hns3_init_vlan_config(struct hns3_adapter *hns)
1031 {
1032         struct hns3_hw *hw = &hns->hw;
1033         int ret;
1034
1035         /*
1036          * This function can be called in the initialization and reset process,
1037          * when in reset process, it means that hardware had been reseted
1038          * successfully and we need to restore the hardware configuration to
1039          * ensure that the hardware configuration remains unchanged before and
1040          * after reset.
1041          */
1042         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
1043                 hw->port_base_vlan_cfg.state = HNS3_PORT_BASE_VLAN_DISABLE;
1044                 hw->port_base_vlan_cfg.pvid = HNS3_INVALID_PVID;
1045         }
1046
1047         ret = hns3_vlan_filter_init(hns);
1048         if (ret) {
1049                 hns3_err(hw, "vlan init fail in pf, ret =%d", ret);
1050                 return ret;
1051         }
1052
1053         ret = hns3_vlan_tpid_configure(hns, ETH_VLAN_TYPE_INNER,
1054                                        RTE_ETHER_TYPE_VLAN);
1055         if (ret) {
1056                 hns3_err(hw, "tpid set fail in pf, ret =%d", ret);
1057                 return ret;
1058         }
1059
1060         /*
1061          * When in the reinit dev stage of the reset process, the following
1062          * vlan-related configurations may differ from those at initialization,
1063          * we will restore configurations to hardware in hns3_restore_vlan_table
1064          * and hns3_restore_vlan_conf later.
1065          */
1066         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
1067                 ret = hns3_vlan_pvid_configure(hns, HNS3_INVALID_PVID, 0);
1068                 if (ret) {
1069                         hns3_err(hw, "pvid set fail in pf, ret =%d", ret);
1070                         return ret;
1071                 }
1072
1073                 ret = hns3_en_hw_strip_rxvtag(hns, false);
1074                 if (ret) {
1075                         hns3_err(hw, "rx strip configure fail in pf, ret =%d",
1076                                  ret);
1077                         return ret;
1078                 }
1079         }
1080
1081         return hns3_default_vlan_config(hns);
1082 }
1083
1084 static int
1085 hns3_restore_vlan_conf(struct hns3_adapter *hns)
1086 {
1087         struct hns3_pf *pf = &hns->pf;
1088         struct hns3_hw *hw = &hns->hw;
1089         uint64_t offloads;
1090         bool enable;
1091         int ret;
1092
1093         if (!hw->data->promiscuous) {
1094                 /* restore vlan filter states */
1095                 offloads = hw->data->dev_conf.rxmode.offloads;
1096                 enable = offloads & DEV_RX_OFFLOAD_VLAN_FILTER ? true : false;
1097                 ret = hns3_enable_vlan_filter(hns, enable);
1098                 if (ret) {
1099                         hns3_err(hw, "failed to restore vlan rx filter conf, "
1100                                  "ret = %d", ret);
1101                         return ret;
1102                 }
1103         }
1104
1105         ret = hns3_set_vlan_rx_offload_cfg(hns, &pf->vtag_config.rx_vcfg);
1106         if (ret) {
1107                 hns3_err(hw, "failed to restore vlan rx conf, ret = %d", ret);
1108                 return ret;
1109         }
1110
1111         ret = hns3_set_vlan_tx_offload_cfg(hns, &pf->vtag_config.tx_vcfg);
1112         if (ret)
1113                 hns3_err(hw, "failed to restore vlan tx conf, ret = %d", ret);
1114
1115         return ret;
1116 }
1117
1118 static int
1119 hns3_dev_configure_vlan(struct rte_eth_dev *dev)
1120 {
1121         struct hns3_adapter *hns = dev->data->dev_private;
1122         struct rte_eth_dev_data *data = dev->data;
1123         struct rte_eth_txmode *txmode;
1124         struct hns3_hw *hw = &hns->hw;
1125         int mask;
1126         int ret;
1127
1128         txmode = &data->dev_conf.txmode;
1129         if (txmode->hw_vlan_reject_tagged || txmode->hw_vlan_reject_untagged)
1130                 hns3_warn(hw,
1131                           "hw_vlan_reject_tagged or hw_vlan_reject_untagged "
1132                           "configuration is not supported! Ignore these two "
1133                           "parameters: hw_vlan_reject_tagged(%u), "
1134                           "hw_vlan_reject_untagged(%u)",
1135                           txmode->hw_vlan_reject_tagged,
1136                           txmode->hw_vlan_reject_untagged);
1137
1138         /* Apply vlan offload setting */
1139         mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK;
1140         ret = hns3_vlan_offload_set(dev, mask);
1141         if (ret) {
1142                 hns3_err(hw, "dev config rx vlan offload failed, ret = %d",
1143                          ret);
1144                 return ret;
1145         }
1146
1147         /*
1148          * If pvid config is not set in rte_eth_conf, driver needn't to set
1149          * VLAN pvid related configuration to hardware.
1150          */
1151         if (txmode->pvid == 0 && txmode->hw_vlan_insert_pvid == 0)
1152                 return 0;
1153
1154         /* Apply pvid setting */
1155         ret = hns3_vlan_pvid_set(dev, txmode->pvid,
1156                                  txmode->hw_vlan_insert_pvid);
1157         if (ret)
1158                 hns3_err(hw, "dev config vlan pvid(%u) failed, ret = %d",
1159                          txmode->pvid, ret);
1160
1161         return ret;
1162 }
1163
1164 static int
1165 hns3_config_tso(struct hns3_hw *hw, unsigned int tso_mss_min,
1166                 unsigned int tso_mss_max)
1167 {
1168         struct hns3_cfg_tso_status_cmd *req;
1169         struct hns3_cmd_desc desc;
1170         uint16_t tso_mss;
1171
1172         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TSO_GENERIC_CONFIG, false);
1173
1174         req = (struct hns3_cfg_tso_status_cmd *)desc.data;
1175
1176         tso_mss = 0;
1177         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1178                        tso_mss_min);
1179         req->tso_mss_min = rte_cpu_to_le_16(tso_mss);
1180
1181         tso_mss = 0;
1182         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1183                        tso_mss_max);
1184         req->tso_mss_max = rte_cpu_to_le_16(tso_mss);
1185
1186         return hns3_cmd_send(hw, &desc, 1);
1187 }
1188
1189 static int
1190 hns3_set_umv_space(struct hns3_hw *hw, uint16_t space_size,
1191                    uint16_t *allocated_size, bool is_alloc)
1192 {
1193         struct hns3_umv_spc_alc_cmd *req;
1194         struct hns3_cmd_desc desc;
1195         int ret;
1196
1197         req = (struct hns3_umv_spc_alc_cmd *)desc.data;
1198         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ALLOCATE, false);
1199         hns3_set_bit(req->allocate, HNS3_UMV_SPC_ALC_B, is_alloc ? 0 : 1);
1200         req->space_size = rte_cpu_to_le_32(space_size);
1201
1202         ret = hns3_cmd_send(hw, &desc, 1);
1203         if (ret) {
1204                 PMD_INIT_LOG(ERR, "%s umv space failed for cmd_send, ret =%d",
1205                              is_alloc ? "allocate" : "free", ret);
1206                 return ret;
1207         }
1208
1209         if (is_alloc && allocated_size)
1210                 *allocated_size = rte_le_to_cpu_32(desc.data[1]);
1211
1212         return 0;
1213 }
1214
1215 static int
1216 hns3_init_umv_space(struct hns3_hw *hw)
1217 {
1218         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1219         struct hns3_pf *pf = &hns->pf;
1220         uint16_t allocated_size = 0;
1221         int ret;
1222
1223         ret = hns3_set_umv_space(hw, pf->wanted_umv_size, &allocated_size,
1224                                  true);
1225         if (ret)
1226                 return ret;
1227
1228         if (allocated_size < pf->wanted_umv_size)
1229                 PMD_INIT_LOG(WARNING, "Alloc umv space failed, want %u, get %u",
1230                              pf->wanted_umv_size, allocated_size);
1231
1232         pf->max_umv_size = (!!allocated_size) ? allocated_size :
1233                                                 pf->wanted_umv_size;
1234         pf->used_umv_size = 0;
1235         return 0;
1236 }
1237
1238 static int
1239 hns3_uninit_umv_space(struct hns3_hw *hw)
1240 {
1241         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1242         struct hns3_pf *pf = &hns->pf;
1243         int ret;
1244
1245         if (pf->max_umv_size == 0)
1246                 return 0;
1247
1248         ret = hns3_set_umv_space(hw, pf->max_umv_size, NULL, false);
1249         if (ret)
1250                 return ret;
1251
1252         pf->max_umv_size = 0;
1253
1254         return 0;
1255 }
1256
1257 static bool
1258 hns3_is_umv_space_full(struct hns3_hw *hw)
1259 {
1260         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1261         struct hns3_pf *pf = &hns->pf;
1262         bool is_full;
1263
1264         is_full = (pf->used_umv_size >= pf->max_umv_size);
1265
1266         return is_full;
1267 }
1268
1269 static void
1270 hns3_update_umv_space(struct hns3_hw *hw, bool is_free)
1271 {
1272         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1273         struct hns3_pf *pf = &hns->pf;
1274
1275         if (is_free) {
1276                 if (pf->used_umv_size > 0)
1277                         pf->used_umv_size--;
1278         } else
1279                 pf->used_umv_size++;
1280 }
1281
1282 static void
1283 hns3_prepare_mac_addr(struct hns3_mac_vlan_tbl_entry_cmd *new_req,
1284                       const uint8_t *addr, bool is_mc)
1285 {
1286         const unsigned char *mac_addr = addr;
1287         uint32_t high_val = ((uint32_t)mac_addr[3] << 24) |
1288                             ((uint32_t)mac_addr[2] << 16) |
1289                             ((uint32_t)mac_addr[1] << 8) |
1290                             (uint32_t)mac_addr[0];
1291         uint32_t low_val = ((uint32_t)mac_addr[5] << 8) | (uint32_t)mac_addr[4];
1292
1293         hns3_set_bit(new_req->flags, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1294         if (is_mc) {
1295                 hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1296                 hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT1_EN_B, 1);
1297                 hns3_set_bit(new_req->mc_mac_en, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1298         }
1299
1300         new_req->mac_addr_hi32 = rte_cpu_to_le_32(high_val);
1301         new_req->mac_addr_lo16 = rte_cpu_to_le_16(low_val & 0xffff);
1302 }
1303
1304 static int
1305 hns3_get_mac_vlan_cmd_status(struct hns3_hw *hw, uint16_t cmdq_resp,
1306                              uint8_t resp_code,
1307                              enum hns3_mac_vlan_tbl_opcode op)
1308 {
1309         if (cmdq_resp) {
1310                 hns3_err(hw, "cmdq execute failed for get_mac_vlan_cmd_status,status=%u",
1311                          cmdq_resp);
1312                 return -EIO;
1313         }
1314
1315         if (op == HNS3_MAC_VLAN_ADD) {
1316                 if (resp_code == 0 || resp_code == 1) {
1317                         return 0;
1318                 } else if (resp_code == HNS3_ADD_UC_OVERFLOW) {
1319                         hns3_err(hw, "add mac addr failed for uc_overflow");
1320                         return -ENOSPC;
1321                 } else if (resp_code == HNS3_ADD_MC_OVERFLOW) {
1322                         hns3_err(hw, "add mac addr failed for mc_overflow");
1323                         return -ENOSPC;
1324                 }
1325
1326                 hns3_err(hw, "add mac addr failed for undefined, code=%u",
1327                          resp_code);
1328                 return -EIO;
1329         } else if (op == HNS3_MAC_VLAN_REMOVE) {
1330                 if (resp_code == 0) {
1331                         return 0;
1332                 } else if (resp_code == 1) {
1333                         hns3_dbg(hw, "remove mac addr failed for miss");
1334                         return -ENOENT;
1335                 }
1336
1337                 hns3_err(hw, "remove mac addr failed for undefined, code=%u",
1338                          resp_code);
1339                 return -EIO;
1340         } else if (op == HNS3_MAC_VLAN_LKUP) {
1341                 if (resp_code == 0) {
1342                         return 0;
1343                 } else if (resp_code == 1) {
1344                         hns3_dbg(hw, "lookup mac addr failed for miss");
1345                         return -ENOENT;
1346                 }
1347
1348                 hns3_err(hw, "lookup mac addr failed for undefined, code=%u",
1349                          resp_code);
1350                 return -EIO;
1351         }
1352
1353         hns3_err(hw, "unknown opcode for get_mac_vlan_cmd_status, opcode=%u",
1354                  op);
1355
1356         return -EINVAL;
1357 }
1358
1359 static int
1360 hns3_lookup_mac_vlan_tbl(struct hns3_hw *hw,
1361                          struct hns3_mac_vlan_tbl_entry_cmd *req,
1362                          struct hns3_cmd_desc *desc, bool is_mc)
1363 {
1364         uint8_t resp_code;
1365         uint16_t retval;
1366         int ret;
1367
1368         hns3_cmd_setup_basic_desc(&desc[0], HNS3_OPC_MAC_VLAN_ADD, true);
1369         if (is_mc) {
1370                 desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1371                 memcpy(desc[0].data, req,
1372                            sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1373                 hns3_cmd_setup_basic_desc(&desc[1], HNS3_OPC_MAC_VLAN_ADD,
1374                                           true);
1375                 desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1376                 hns3_cmd_setup_basic_desc(&desc[2], HNS3_OPC_MAC_VLAN_ADD,
1377                                           true);
1378                 ret = hns3_cmd_send(hw, desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1379         } else {
1380                 memcpy(desc[0].data, req,
1381                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1382                 ret = hns3_cmd_send(hw, desc, 1);
1383         }
1384         if (ret) {
1385                 hns3_err(hw, "lookup mac addr failed for cmd_send, ret =%d.",
1386                          ret);
1387                 return ret;
1388         }
1389         resp_code = (rte_le_to_cpu_32(desc[0].data[0]) >> 8) & 0xff;
1390         retval = rte_le_to_cpu_16(desc[0].retval);
1391
1392         return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1393                                             HNS3_MAC_VLAN_LKUP);
1394 }
1395
1396 static int
1397 hns3_add_mac_vlan_tbl(struct hns3_hw *hw,
1398                       struct hns3_mac_vlan_tbl_entry_cmd *req,
1399                       struct hns3_cmd_desc *mc_desc)
1400 {
1401         uint8_t resp_code;
1402         uint16_t retval;
1403         int cfg_status;
1404         int ret;
1405
1406         if (mc_desc == NULL) {
1407                 struct hns3_cmd_desc desc;
1408
1409                 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ADD, false);
1410                 memcpy(desc.data, req,
1411                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1412                 ret = hns3_cmd_send(hw, &desc, 1);
1413                 resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1414                 retval = rte_le_to_cpu_16(desc.retval);
1415
1416                 cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1417                                                           HNS3_MAC_VLAN_ADD);
1418         } else {
1419                 hns3_cmd_reuse_desc(&mc_desc[0], false);
1420                 mc_desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1421                 hns3_cmd_reuse_desc(&mc_desc[1], false);
1422                 mc_desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1423                 hns3_cmd_reuse_desc(&mc_desc[2], false);
1424                 mc_desc[2].flag &= rte_cpu_to_le_16(~HNS3_CMD_FLAG_NEXT);
1425                 memcpy(mc_desc[0].data, req,
1426                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1427                 mc_desc[0].retval = 0;
1428                 ret = hns3_cmd_send(hw, mc_desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1429                 resp_code = (rte_le_to_cpu_32(mc_desc[0].data[0]) >> 8) & 0xff;
1430                 retval = rte_le_to_cpu_16(mc_desc[0].retval);
1431
1432                 cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1433                                                           HNS3_MAC_VLAN_ADD);
1434         }
1435
1436         if (ret) {
1437                 hns3_err(hw, "add mac addr failed for cmd_send, ret =%d", ret);
1438                 return ret;
1439         }
1440
1441         return cfg_status;
1442 }
1443
1444 static int
1445 hns3_remove_mac_vlan_tbl(struct hns3_hw *hw,
1446                          struct hns3_mac_vlan_tbl_entry_cmd *req)
1447 {
1448         struct hns3_cmd_desc desc;
1449         uint8_t resp_code;
1450         uint16_t retval;
1451         int ret;
1452
1453         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_REMOVE, false);
1454
1455         memcpy(desc.data, req, sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1456
1457         ret = hns3_cmd_send(hw, &desc, 1);
1458         if (ret) {
1459                 hns3_err(hw, "del mac addr failed for cmd_send, ret =%d", ret);
1460                 return ret;
1461         }
1462         resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1463         retval = rte_le_to_cpu_16(desc.retval);
1464
1465         return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1466                                             HNS3_MAC_VLAN_REMOVE);
1467 }
1468
1469 static int
1470 hns3_add_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1471 {
1472         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1473         struct hns3_mac_vlan_tbl_entry_cmd req;
1474         struct hns3_pf *pf = &hns->pf;
1475         struct hns3_cmd_desc desc[3];
1476         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1477         uint16_t egress_port = 0;
1478         uint8_t vf_id;
1479         int ret;
1480
1481         /* check if mac addr is valid */
1482         if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1483                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1484                                       mac_addr);
1485                 hns3_err(hw, "Add unicast mac addr err! addr(%s) invalid",
1486                          mac_str);
1487                 return -EINVAL;
1488         }
1489
1490         memset(&req, 0, sizeof(req));
1491
1492         /*
1493          * In current version VF is not supported when PF is driven by DPDK
1494          * driver, just need to configure parameters for PF vport.
1495          */
1496         vf_id = HNS3_PF_FUNC_ID;
1497         hns3_set_field(egress_port, HNS3_MAC_EPORT_VFID_M,
1498                        HNS3_MAC_EPORT_VFID_S, vf_id);
1499
1500         req.egress_port = rte_cpu_to_le_16(egress_port);
1501
1502         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1503
1504         /*
1505          * Lookup the mac address in the mac_vlan table, and add
1506          * it if the entry is inexistent. Repeated unicast entry
1507          * is not allowed in the mac vlan table.
1508          */
1509         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, false);
1510         if (ret == -ENOENT) {
1511                 if (!hns3_is_umv_space_full(hw)) {
1512                         ret = hns3_add_mac_vlan_tbl(hw, &req, NULL);
1513                         if (!ret)
1514                                 hns3_update_umv_space(hw, false);
1515                         return ret;
1516                 }
1517
1518                 hns3_err(hw, "UC MAC table full(%u)", pf->used_umv_size);
1519
1520                 return -ENOSPC;
1521         }
1522
1523         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr);
1524
1525         /* check if we just hit the duplicate */
1526         if (ret == 0) {
1527                 hns3_dbg(hw, "mac addr(%s) has been in the MAC table", mac_str);
1528                 return 0;
1529         }
1530
1531         hns3_err(hw, "PF failed to add unicast entry(%s) in the MAC table",
1532                  mac_str);
1533
1534         return ret;
1535 }
1536
1537 static int
1538 hns3_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1539 {
1540         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1541         struct rte_ether_addr *addr;
1542         int ret;
1543         int i;
1544
1545         for (i = 0; i < hw->mc_addrs_num; i++) {
1546                 addr = &hw->mc_addrs[i];
1547                 /* Check if there are duplicate addresses */
1548                 if (rte_is_same_ether_addr(addr, mac_addr)) {
1549                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1550                                               addr);
1551                         hns3_err(hw, "failed to add mc mac addr, same addrs"
1552                                  "(%s) is added by the set_mc_mac_addr_list "
1553                                  "API", mac_str);
1554                         return -EINVAL;
1555                 }
1556         }
1557
1558         ret = hns3_add_mc_addr(hw, mac_addr);
1559         if (ret) {
1560                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1561                                       mac_addr);
1562                 hns3_err(hw, "failed to add mc mac addr(%s), ret = %d",
1563                          mac_str, ret);
1564         }
1565         return ret;
1566 }
1567
1568 static int
1569 hns3_remove_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1570 {
1571         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1572         int ret;
1573
1574         ret = hns3_remove_mc_addr(hw, mac_addr);
1575         if (ret) {
1576                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1577                                       mac_addr);
1578                 hns3_err(hw, "failed to remove mc mac addr(%s), ret = %d",
1579                          mac_str, ret);
1580         }
1581         return ret;
1582 }
1583
1584 static int
1585 hns3_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
1586                   uint32_t idx, __rte_unused uint32_t pool)
1587 {
1588         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1589         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1590         int ret;
1591
1592         rte_spinlock_lock(&hw->lock);
1593
1594         /*
1595          * In hns3 network engine adding UC and MC mac address with different
1596          * commands with firmware. We need to determine whether the input
1597          * address is a UC or a MC address to call different commands.
1598          * By the way, it is recommended calling the API function named
1599          * rte_eth_dev_set_mc_addr_list to set the MC mac address, because
1600          * using the rte_eth_dev_mac_addr_add API function to set MC mac address
1601          * may affect the specifications of UC mac addresses.
1602          */
1603         if (rte_is_multicast_ether_addr(mac_addr))
1604                 ret = hns3_add_mc_addr_common(hw, mac_addr);
1605         else
1606                 ret = hns3_add_uc_addr_common(hw, mac_addr);
1607
1608         if (ret) {
1609                 rte_spinlock_unlock(&hw->lock);
1610                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1611                                       mac_addr);
1612                 hns3_err(hw, "failed to add mac addr(%s), ret = %d", mac_str,
1613                          ret);
1614                 return ret;
1615         }
1616
1617         if (idx == 0)
1618                 hw->mac.default_addr_setted = true;
1619         rte_spinlock_unlock(&hw->lock);
1620
1621         return ret;
1622 }
1623
1624 static int
1625 hns3_remove_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1626 {
1627         struct hns3_mac_vlan_tbl_entry_cmd req;
1628         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1629         int ret;
1630
1631         /* check if mac addr is valid */
1632         if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1633                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1634                                       mac_addr);
1635                 hns3_err(hw, "remove unicast mac addr err! addr(%s) invalid",
1636                          mac_str);
1637                 return -EINVAL;
1638         }
1639
1640         memset(&req, 0, sizeof(req));
1641         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1642         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1643         ret = hns3_remove_mac_vlan_tbl(hw, &req);
1644         if (ret == -ENOENT) /* mac addr isn't existent in the mac vlan table. */
1645                 return 0;
1646         else if (ret == 0)
1647                 hns3_update_umv_space(hw, true);
1648
1649         return ret;
1650 }
1651
1652 static void
1653 hns3_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx)
1654 {
1655         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1656         /* index will be checked by upper level rte interface */
1657         struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[idx];
1658         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1659         int ret;
1660
1661         rte_spinlock_lock(&hw->lock);
1662
1663         if (rte_is_multicast_ether_addr(mac_addr))
1664                 ret = hns3_remove_mc_addr_common(hw, mac_addr);
1665         else
1666                 ret = hns3_remove_uc_addr_common(hw, mac_addr);
1667         rte_spinlock_unlock(&hw->lock);
1668         if (ret) {
1669                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1670                                       mac_addr);
1671                 hns3_err(hw, "failed to remove mac addr(%s), ret = %d", mac_str,
1672                          ret);
1673         }
1674 }
1675
1676 static int
1677 hns3_set_default_mac_addr(struct rte_eth_dev *dev,
1678                           struct rte_ether_addr *mac_addr)
1679 {
1680         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1681         struct rte_ether_addr *oaddr;
1682         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1683         bool default_addr_setted;
1684         bool rm_succes = false;
1685         int ret, ret_val;
1686
1687         /*
1688          * It has been guaranteed that input parameter named mac_addr is valid
1689          * address in the rte layer of DPDK framework.
1690          */
1691         oaddr = (struct rte_ether_addr *)hw->mac.mac_addr;
1692         default_addr_setted = hw->mac.default_addr_setted;
1693         if (default_addr_setted && !!rte_is_same_ether_addr(mac_addr, oaddr))
1694                 return 0;
1695
1696         rte_spinlock_lock(&hw->lock);
1697         if (default_addr_setted) {
1698                 ret = hns3_remove_uc_addr_common(hw, oaddr);
1699                 if (ret) {
1700                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1701                                               oaddr);
1702                         hns3_warn(hw, "Remove old uc mac address(%s) fail: %d",
1703                                   mac_str, ret);
1704                         rm_succes = false;
1705                 } else
1706                         rm_succes = true;
1707         }
1708
1709         ret = hns3_add_uc_addr_common(hw, mac_addr);
1710         if (ret) {
1711                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1712                                       mac_addr);
1713                 hns3_err(hw, "Failed to set mac addr(%s): %d", mac_str, ret);
1714                 goto err_add_uc_addr;
1715         }
1716
1717         ret = hns3_pause_addr_cfg(hw, mac_addr->addr_bytes);
1718         if (ret) {
1719                 hns3_err(hw, "Failed to configure mac pause address: %d", ret);
1720                 goto err_pause_addr_cfg;
1721         }
1722
1723         rte_ether_addr_copy(mac_addr,
1724                             (struct rte_ether_addr *)hw->mac.mac_addr);
1725         hw->mac.default_addr_setted = true;
1726         rte_spinlock_unlock(&hw->lock);
1727
1728         return 0;
1729
1730 err_pause_addr_cfg:
1731         ret_val = hns3_remove_uc_addr_common(hw, mac_addr);
1732         if (ret_val) {
1733                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1734                                       mac_addr);
1735                 hns3_warn(hw,
1736                           "Failed to roll back to del setted mac addr(%s): %d",
1737                           mac_str, ret_val);
1738         }
1739
1740 err_add_uc_addr:
1741         if (rm_succes) {
1742                 ret_val = hns3_add_uc_addr_common(hw, oaddr);
1743                 if (ret_val) {
1744                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1745                                               oaddr);
1746                         hns3_warn(hw,
1747                                   "Failed to restore old uc mac addr(%s): %d",
1748                                   mac_str, ret_val);
1749                         hw->mac.default_addr_setted = false;
1750                 }
1751         }
1752         rte_spinlock_unlock(&hw->lock);
1753
1754         return ret;
1755 }
1756
1757 static int
1758 hns3_configure_all_mac_addr(struct hns3_adapter *hns, bool del)
1759 {
1760         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1761         struct hns3_hw *hw = &hns->hw;
1762         struct rte_ether_addr *addr;
1763         int err = 0;
1764         int ret;
1765         int i;
1766
1767         for (i = 0; i < HNS3_UC_MACADDR_NUM; i++) {
1768                 addr = &hw->data->mac_addrs[i];
1769                 if (rte_is_zero_ether_addr(addr))
1770                         continue;
1771                 if (rte_is_multicast_ether_addr(addr))
1772                         ret = del ? hns3_remove_mc_addr(hw, addr) :
1773                               hns3_add_mc_addr(hw, addr);
1774                 else
1775                         ret = del ? hns3_remove_uc_addr_common(hw, addr) :
1776                               hns3_add_uc_addr_common(hw, addr);
1777
1778                 if (ret) {
1779                         err = ret;
1780                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1781                                               addr);
1782                         hns3_err(hw, "failed to %s mac addr(%s) index:%d "
1783                                  "ret = %d.", del ? "remove" : "restore",
1784                                  mac_str, i, ret);
1785                 }
1786         }
1787         return err;
1788 }
1789
1790 static void
1791 hns3_update_desc_vfid(struct hns3_cmd_desc *desc, uint8_t vfid, bool clr)
1792 {
1793 #define HNS3_VF_NUM_IN_FIRST_DESC 192
1794         uint8_t word_num;
1795         uint8_t bit_num;
1796
1797         if (vfid < HNS3_VF_NUM_IN_FIRST_DESC) {
1798                 word_num = vfid / 32;
1799                 bit_num = vfid % 32;
1800                 if (clr)
1801                         desc[1].data[word_num] &=
1802                             rte_cpu_to_le_32(~(1UL << bit_num));
1803                 else
1804                         desc[1].data[word_num] |=
1805                             rte_cpu_to_le_32(1UL << bit_num);
1806         } else {
1807                 word_num = (vfid - HNS3_VF_NUM_IN_FIRST_DESC) / 32;
1808                 bit_num = vfid % 32;
1809                 if (clr)
1810                         desc[2].data[word_num] &=
1811                             rte_cpu_to_le_32(~(1UL << bit_num));
1812                 else
1813                         desc[2].data[word_num] |=
1814                             rte_cpu_to_le_32(1UL << bit_num);
1815         }
1816 }
1817
1818 static int
1819 hns3_add_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1820 {
1821         struct hns3_mac_vlan_tbl_entry_cmd req;
1822         struct hns3_cmd_desc desc[3];
1823         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1824         uint8_t vf_id;
1825         int ret;
1826
1827         /* Check if mac addr is valid */
1828         if (!rte_is_multicast_ether_addr(mac_addr)) {
1829                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1830                                       mac_addr);
1831                 hns3_err(hw, "failed to add mc mac addr, addr(%s) invalid",
1832                          mac_str);
1833                 return -EINVAL;
1834         }
1835
1836         memset(&req, 0, sizeof(req));
1837         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1838         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1839         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1840         if (ret) {
1841                 /* This mac addr do not exist, add new entry for it */
1842                 memset(desc[0].data, 0, sizeof(desc[0].data));
1843                 memset(desc[1].data, 0, sizeof(desc[0].data));
1844                 memset(desc[2].data, 0, sizeof(desc[0].data));
1845         }
1846
1847         /*
1848          * In current version VF is not supported when PF is driven by DPDK
1849          * driver, just need to configure parameters for PF vport.
1850          */
1851         vf_id = HNS3_PF_FUNC_ID;
1852         hns3_update_desc_vfid(desc, vf_id, false);
1853         ret = hns3_add_mac_vlan_tbl(hw, &req, desc);
1854         if (ret) {
1855                 if (ret == -ENOSPC)
1856                         hns3_err(hw, "mc mac vlan table is full");
1857                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1858                                       mac_addr);
1859                 hns3_err(hw, "failed to add mc mac addr(%s): %d", mac_str, ret);
1860         }
1861
1862         return ret;
1863 }
1864
1865 static int
1866 hns3_remove_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1867 {
1868         struct hns3_mac_vlan_tbl_entry_cmd req;
1869         struct hns3_cmd_desc desc[3];
1870         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1871         uint8_t vf_id;
1872         int ret;
1873
1874         /* Check if mac addr is valid */
1875         if (!rte_is_multicast_ether_addr(mac_addr)) {
1876                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1877                                       mac_addr);
1878                 hns3_err(hw, "Failed to rm mc mac addr, addr(%s) invalid",
1879                          mac_str);
1880                 return -EINVAL;
1881         }
1882
1883         memset(&req, 0, sizeof(req));
1884         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1885         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1886         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1887         if (ret == 0) {
1888                 /*
1889                  * This mac addr exist, remove this handle's VFID for it.
1890                  * In current version VF is not supported when PF is driven by
1891                  * DPDK driver, just need to configure parameters for PF vport.
1892                  */
1893                 vf_id = HNS3_PF_FUNC_ID;
1894                 hns3_update_desc_vfid(desc, vf_id, true);
1895
1896                 /* All the vfid is zero, so need to delete this entry */
1897                 ret = hns3_remove_mac_vlan_tbl(hw, &req);
1898         } else if (ret == -ENOENT) {
1899                 /* This mac addr doesn't exist. */
1900                 return 0;
1901         }
1902
1903         if (ret) {
1904                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1905                                       mac_addr);
1906                 hns3_err(hw, "Failed to rm mc mac addr(%s): %d", mac_str, ret);
1907         }
1908
1909         return ret;
1910 }
1911
1912 static int
1913 hns3_set_mc_addr_chk_param(struct hns3_hw *hw,
1914                            struct rte_ether_addr *mc_addr_set,
1915                            uint32_t nb_mc_addr)
1916 {
1917         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1918         struct rte_ether_addr *addr;
1919         uint32_t i;
1920         uint32_t j;
1921
1922         if (nb_mc_addr > HNS3_MC_MACADDR_NUM) {
1923                 hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%u) "
1924                          "invalid. valid range: 0~%d",
1925                          nb_mc_addr, HNS3_MC_MACADDR_NUM);
1926                 return -EINVAL;
1927         }
1928
1929         /* Check if input mac addresses are valid */
1930         for (i = 0; i < nb_mc_addr; i++) {
1931                 addr = &mc_addr_set[i];
1932                 if (!rte_is_multicast_ether_addr(addr)) {
1933                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1934                                               addr);
1935                         hns3_err(hw,
1936                                  "failed to set mc mac addr, addr(%s) invalid.",
1937                                  mac_str);
1938                         return -EINVAL;
1939                 }
1940
1941                 /* Check if there are duplicate addresses */
1942                 for (j = i + 1; j < nb_mc_addr; j++) {
1943                         if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
1944                                 hns3_ether_format_addr(mac_str,
1945                                                       RTE_ETHER_ADDR_FMT_SIZE,
1946                                                       addr);
1947                                 hns3_err(hw, "failed to set mc mac addr, "
1948                                          "addrs invalid. two same addrs(%s).",
1949                                          mac_str);
1950                                 return -EINVAL;
1951                         }
1952                 }
1953
1954                 /*
1955                  * Check if there are duplicate addresses between mac_addrs
1956                  * and mc_addr_set
1957                  */
1958                 for (j = 0; j < HNS3_UC_MACADDR_NUM; j++) {
1959                         if (rte_is_same_ether_addr(addr,
1960                                                    &hw->data->mac_addrs[j])) {
1961                                 hns3_ether_format_addr(mac_str,
1962                                                       RTE_ETHER_ADDR_FMT_SIZE,
1963                                                       addr);
1964                                 hns3_err(hw, "failed to set mc mac addr, "
1965                                          "addrs invalid. addrs(%s) has already "
1966                                          "configured in mac_addr add API",
1967                                          mac_str);
1968                                 return -EINVAL;
1969                         }
1970                 }
1971         }
1972
1973         return 0;
1974 }
1975
1976 static void
1977 hns3_set_mc_addr_calc_addr(struct hns3_hw *hw,
1978                            struct rte_ether_addr *mc_addr_set,
1979                            int mc_addr_num,
1980                            struct rte_ether_addr *reserved_addr_list,
1981                            int *reserved_addr_num,
1982                            struct rte_ether_addr *add_addr_list,
1983                            int *add_addr_num,
1984                            struct rte_ether_addr *rm_addr_list,
1985                            int *rm_addr_num)
1986 {
1987         struct rte_ether_addr *addr;
1988         int current_addr_num;
1989         int reserved_num = 0;
1990         int add_num = 0;
1991         int rm_num = 0;
1992         int num;
1993         int i;
1994         int j;
1995         bool same_addr;
1996
1997         /* Calculate the mc mac address list that should be removed */
1998         current_addr_num = hw->mc_addrs_num;
1999         for (i = 0; i < current_addr_num; i++) {
2000                 addr = &hw->mc_addrs[i];
2001                 same_addr = false;
2002                 for (j = 0; j < mc_addr_num; j++) {
2003                         if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
2004                                 same_addr = true;
2005                                 break;
2006                         }
2007                 }
2008
2009                 if (!same_addr) {
2010                         rte_ether_addr_copy(addr, &rm_addr_list[rm_num]);
2011                         rm_num++;
2012                 } else {
2013                         rte_ether_addr_copy(addr,
2014                                             &reserved_addr_list[reserved_num]);
2015                         reserved_num++;
2016                 }
2017         }
2018
2019         /* Calculate the mc mac address list that should be added */
2020         for (i = 0; i < mc_addr_num; i++) {
2021                 addr = &mc_addr_set[i];
2022                 same_addr = false;
2023                 for (j = 0; j < current_addr_num; j++) {
2024                         if (rte_is_same_ether_addr(addr, &hw->mc_addrs[j])) {
2025                                 same_addr = true;
2026                                 break;
2027                         }
2028                 }
2029
2030                 if (!same_addr) {
2031                         rte_ether_addr_copy(addr, &add_addr_list[add_num]);
2032                         add_num++;
2033                 }
2034         }
2035
2036         /* Reorder the mc mac address list maintained by driver */
2037         for (i = 0; i < reserved_num; i++)
2038                 rte_ether_addr_copy(&reserved_addr_list[i], &hw->mc_addrs[i]);
2039
2040         for (i = 0; i < rm_num; i++) {
2041                 num = reserved_num + i;
2042                 rte_ether_addr_copy(&rm_addr_list[i], &hw->mc_addrs[num]);
2043         }
2044
2045         *reserved_addr_num = reserved_num;
2046         *add_addr_num = add_num;
2047         *rm_addr_num = rm_num;
2048 }
2049
2050 static int
2051 hns3_set_mc_mac_addr_list(struct rte_eth_dev *dev,
2052                           struct rte_ether_addr *mc_addr_set,
2053                           uint32_t nb_mc_addr)
2054 {
2055         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2056         struct rte_ether_addr reserved_addr_list[HNS3_MC_MACADDR_NUM];
2057         struct rte_ether_addr add_addr_list[HNS3_MC_MACADDR_NUM];
2058         struct rte_ether_addr rm_addr_list[HNS3_MC_MACADDR_NUM];
2059         struct rte_ether_addr *addr;
2060         int reserved_addr_num;
2061         int add_addr_num;
2062         int rm_addr_num;
2063         int mc_addr_num;
2064         int num;
2065         int ret;
2066         int i;
2067
2068         /* Check if input parameters are valid */
2069         ret = hns3_set_mc_addr_chk_param(hw, mc_addr_set, nb_mc_addr);
2070         if (ret)
2071                 return ret;
2072
2073         rte_spinlock_lock(&hw->lock);
2074
2075         /*
2076          * Calculate the mc mac address lists those should be removed and be
2077          * added, Reorder the mc mac address list maintained by driver.
2078          */
2079         mc_addr_num = (int)nb_mc_addr;
2080         hns3_set_mc_addr_calc_addr(hw, mc_addr_set, mc_addr_num,
2081                                    reserved_addr_list, &reserved_addr_num,
2082                                    add_addr_list, &add_addr_num,
2083                                    rm_addr_list, &rm_addr_num);
2084
2085         /* Remove mc mac addresses */
2086         for (i = 0; i < rm_addr_num; i++) {
2087                 num = rm_addr_num - i - 1;
2088                 addr = &rm_addr_list[num];
2089                 ret = hns3_remove_mc_addr(hw, addr);
2090                 if (ret) {
2091                         rte_spinlock_unlock(&hw->lock);
2092                         return ret;
2093                 }
2094                 hw->mc_addrs_num--;
2095         }
2096
2097         /* Add mc mac addresses */
2098         for (i = 0; i < add_addr_num; i++) {
2099                 addr = &add_addr_list[i];
2100                 ret = hns3_add_mc_addr(hw, addr);
2101                 if (ret) {
2102                         rte_spinlock_unlock(&hw->lock);
2103                         return ret;
2104                 }
2105
2106                 num = reserved_addr_num + i;
2107                 rte_ether_addr_copy(addr, &hw->mc_addrs[num]);
2108                 hw->mc_addrs_num++;
2109         }
2110         rte_spinlock_unlock(&hw->lock);
2111
2112         return 0;
2113 }
2114
2115 static int
2116 hns3_configure_all_mc_mac_addr(struct hns3_adapter *hns, bool del)
2117 {
2118         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
2119         struct hns3_hw *hw = &hns->hw;
2120         struct rte_ether_addr *addr;
2121         int err = 0;
2122         int ret;
2123         int i;
2124
2125         for (i = 0; i < hw->mc_addrs_num; i++) {
2126                 addr = &hw->mc_addrs[i];
2127                 if (!rte_is_multicast_ether_addr(addr))
2128                         continue;
2129                 if (del)
2130                         ret = hns3_remove_mc_addr(hw, addr);
2131                 else
2132                         ret = hns3_add_mc_addr(hw, addr);
2133                 if (ret) {
2134                         err = ret;
2135                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
2136                                               addr);
2137                         hns3_dbg(hw, "%s mc mac addr: %s failed for pf: ret = %d",
2138                                  del ? "Remove" : "Restore", mac_str, ret);
2139                 }
2140         }
2141         return err;
2142 }
2143
2144 static int
2145 hns3_check_mq_mode(struct rte_eth_dev *dev)
2146 {
2147         enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
2148         enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
2149         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2150         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
2151         struct rte_eth_dcb_rx_conf *dcb_rx_conf;
2152         struct rte_eth_dcb_tx_conf *dcb_tx_conf;
2153         uint8_t num_tc;
2154         int max_tc = 0;
2155         int i;
2156
2157         dcb_rx_conf = &dev->data->dev_conf.rx_adv_conf.dcb_rx_conf;
2158         dcb_tx_conf = &dev->data->dev_conf.tx_adv_conf.dcb_tx_conf;
2159
2160         if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB_RSS) {
2161                 hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB_RSS is not supported. "
2162                          "rx_mq_mode = %d", rx_mq_mode);
2163                 return -EINVAL;
2164         }
2165
2166         if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB ||
2167             tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
2168                 hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB and ETH_MQ_TX_VMDQ_DCB "
2169                          "is not supported. rx_mq_mode = %d, tx_mq_mode = %d",
2170                          rx_mq_mode, tx_mq_mode);
2171                 return -EINVAL;
2172         }
2173
2174         if (rx_mq_mode == ETH_MQ_RX_DCB_RSS) {
2175                 if (dcb_rx_conf->nb_tcs > pf->tc_max) {
2176                         hns3_err(hw, "nb_tcs(%u) > max_tc(%u) driver supported.",
2177                                  dcb_rx_conf->nb_tcs, pf->tc_max);
2178                         return -EINVAL;
2179                 }
2180
2181                 if (!(dcb_rx_conf->nb_tcs == HNS3_4_TCS ||
2182                       dcb_rx_conf->nb_tcs == HNS3_8_TCS)) {
2183                         hns3_err(hw, "on ETH_MQ_RX_DCB_RSS mode, "
2184                                  "nb_tcs(%d) != %d or %d in rx direction.",
2185                                  dcb_rx_conf->nb_tcs, HNS3_4_TCS, HNS3_8_TCS);
2186                         return -EINVAL;
2187                 }
2188
2189                 if (dcb_rx_conf->nb_tcs != dcb_tx_conf->nb_tcs) {
2190                         hns3_err(hw, "num_tcs(%d) of tx is not equal to rx(%d)",
2191                                  dcb_tx_conf->nb_tcs, dcb_rx_conf->nb_tcs);
2192                         return -EINVAL;
2193                 }
2194
2195                 for (i = 0; i < HNS3_MAX_USER_PRIO; i++) {
2196                         if (dcb_rx_conf->dcb_tc[i] != dcb_tx_conf->dcb_tc[i]) {
2197                                 hns3_err(hw, "dcb_tc[%d] = %u in rx direction, "
2198                                          "is not equal to one in tx direction.",
2199                                          i, dcb_rx_conf->dcb_tc[i]);
2200                                 return -EINVAL;
2201                         }
2202                         if (dcb_rx_conf->dcb_tc[i] > max_tc)
2203                                 max_tc = dcb_rx_conf->dcb_tc[i];
2204                 }
2205
2206                 num_tc = max_tc + 1;
2207                 if (num_tc > dcb_rx_conf->nb_tcs) {
2208                         hns3_err(hw, "max num_tc(%u) mapped > nb_tcs(%u)",
2209                                  num_tc, dcb_rx_conf->nb_tcs);
2210                         return -EINVAL;
2211                 }
2212         }
2213
2214         return 0;
2215 }
2216
2217 static int
2218 hns3_check_dcb_cfg(struct rte_eth_dev *dev)
2219 {
2220         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2221
2222         if (!hns3_dev_dcb_supported(hw)) {
2223                 hns3_err(hw, "this port does not support dcb configurations.");
2224                 return -EOPNOTSUPP;
2225         }
2226
2227         if (hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE) {
2228                 hns3_err(hw, "MAC pause enabled, cannot config dcb info.");
2229                 return -EOPNOTSUPP;
2230         }
2231
2232         /* Check multiple queue mode */
2233         return hns3_check_mq_mode(dev);
2234 }
2235
2236 static int
2237 hns3_bind_ring_with_vector(struct hns3_hw *hw, uint16_t vector_id, bool en,
2238                            enum hns3_ring_type queue_type, uint16_t queue_id)
2239 {
2240         struct hns3_cmd_desc desc;
2241         struct hns3_ctrl_vector_chain_cmd *req =
2242                 (struct hns3_ctrl_vector_chain_cmd *)desc.data;
2243         enum hns3_cmd_status status;
2244         enum hns3_opcode_type op;
2245         uint16_t tqp_type_and_id = 0;
2246         uint16_t type;
2247         uint16_t gl;
2248
2249         op = en ? HNS3_OPC_ADD_RING_TO_VECTOR : HNS3_OPC_DEL_RING_TO_VECTOR;
2250         hns3_cmd_setup_basic_desc(&desc, op, false);
2251         req->int_vector_id = hns3_get_field(vector_id, HNS3_TQP_INT_ID_L_M,
2252                                               HNS3_TQP_INT_ID_L_S);
2253         req->int_vector_id_h = hns3_get_field(vector_id, HNS3_TQP_INT_ID_H_M,
2254                                               HNS3_TQP_INT_ID_H_S);
2255
2256         if (queue_type == HNS3_RING_TYPE_RX)
2257                 gl = HNS3_RING_GL_RX;
2258         else
2259                 gl = HNS3_RING_GL_TX;
2260
2261         type = queue_type;
2262
2263         hns3_set_field(tqp_type_and_id, HNS3_INT_TYPE_M, HNS3_INT_TYPE_S,
2264                        type);
2265         hns3_set_field(tqp_type_and_id, HNS3_TQP_ID_M, HNS3_TQP_ID_S, queue_id);
2266         hns3_set_field(tqp_type_and_id, HNS3_INT_GL_IDX_M, HNS3_INT_GL_IDX_S,
2267                        gl);
2268         req->tqp_type_and_id[0] = rte_cpu_to_le_16(tqp_type_and_id);
2269         req->int_cause_num = 1;
2270         status = hns3_cmd_send(hw, &desc, 1);
2271         if (status) {
2272                 hns3_err(hw, "%s TQP %u fail, vector_id is %u, status is %d.",
2273                          en ? "Map" : "Unmap", queue_id, vector_id, status);
2274                 return status;
2275         }
2276
2277         return 0;
2278 }
2279
2280 static int
2281 hns3_init_ring_with_vector(struct hns3_hw *hw)
2282 {
2283         uint16_t vec;
2284         int ret;
2285         int i;
2286
2287         /*
2288          * In hns3 network engine, vector 0 is always the misc interrupt of this
2289          * function, vector 1~N can be used respectively for the queues of the
2290          * function. Tx and Rx queues with the same number share the interrupt
2291          * vector. In the initialization clearing the all hardware mapping
2292          * relationship configurations between queues and interrupt vectors is
2293          * needed, so some error caused by the residual configurations, such as
2294          * the unexpected Tx interrupt, can be avoid.
2295          */
2296         vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */
2297         if (hw->intr.mapping_mode == HNS3_INTR_MAPPING_VEC_RSV_ONE)
2298                 vec = vec - 1; /* the last interrupt is reserved */
2299         hw->intr_tqps_num = RTE_MIN(vec, hw->tqps_num);
2300         for (i = 0; i < hw->intr_tqps_num; i++) {
2301                 /*
2302                  * Set gap limiter/rate limiter/quanity limiter algorithm
2303                  * configuration for interrupt coalesce of queue's interrupt.
2304                  */
2305                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_RX,
2306                                        HNS3_TQP_INTR_GL_DEFAULT);
2307                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_TX,
2308                                        HNS3_TQP_INTR_GL_DEFAULT);
2309                 hns3_set_queue_intr_rl(hw, i, HNS3_TQP_INTR_RL_DEFAULT);
2310                 /*
2311                  * QL(quantity limiter) is not used currently, just set 0 to
2312                  * close it.
2313                  */
2314                 hns3_set_queue_intr_ql(hw, i, HNS3_TQP_INTR_QL_DEFAULT);
2315
2316                 ret = hns3_bind_ring_with_vector(hw, vec, false,
2317                                                  HNS3_RING_TYPE_TX, i);
2318                 if (ret) {
2319                         PMD_INIT_LOG(ERR, "PF fail to unbind TX ring(%d) with "
2320                                           "vector: %u, ret=%d", i, vec, ret);
2321                         return ret;
2322                 }
2323
2324                 ret = hns3_bind_ring_with_vector(hw, vec, false,
2325                                                  HNS3_RING_TYPE_RX, i);
2326                 if (ret) {
2327                         PMD_INIT_LOG(ERR, "PF fail to unbind RX ring(%d) with "
2328                                           "vector: %u, ret=%d", i, vec, ret);
2329                         return ret;
2330                 }
2331         }
2332
2333         return 0;
2334 }
2335
2336 static int
2337 hns3_dev_configure(struct rte_eth_dev *dev)
2338 {
2339         struct hns3_adapter *hns = dev->data->dev_private;
2340         struct rte_eth_conf *conf = &dev->data->dev_conf;
2341         enum rte_eth_rx_mq_mode mq_mode = conf->rxmode.mq_mode;
2342         struct hns3_hw *hw = &hns->hw;
2343         uint16_t nb_rx_q = dev->data->nb_rx_queues;
2344         uint16_t nb_tx_q = dev->data->nb_tx_queues;
2345         struct rte_eth_rss_conf rss_conf;
2346         uint32_t max_rx_pkt_len;
2347         uint16_t mtu;
2348         bool gro_en;
2349         int ret;
2350
2351         hw->cfg_max_queues = RTE_MAX(nb_rx_q, nb_tx_q);
2352
2353         /*
2354          * Some versions of hardware network engine does not support
2355          * individually enable/disable/reset the Tx or Rx queue. These devices
2356          * must enable/disable/reset Tx and Rx queues at the same time. When the
2357          * numbers of Tx queues allocated by upper applications are not equal to
2358          * the numbers of Rx queues, driver needs to setup fake Tx or Rx queues
2359          * to adjust numbers of Tx/Rx queues. otherwise, network engine can not
2360          * work as usual. But these fake queues are imperceptible, and can not
2361          * be used by upper applications.
2362          */
2363         if (!hns3_dev_indep_txrx_supported(hw)) {
2364                 ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
2365                 if (ret) {
2366                         hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.",
2367                                  ret);
2368                         return ret;
2369                 }
2370         }
2371
2372         hw->adapter_state = HNS3_NIC_CONFIGURING;
2373         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
2374                 hns3_err(hw, "setting link speed/duplex not supported");
2375                 ret = -EINVAL;
2376                 goto cfg_err;
2377         }
2378
2379         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG) {
2380                 ret = hns3_check_dcb_cfg(dev);
2381                 if (ret)
2382                         goto cfg_err;
2383         }
2384
2385         /* When RSS is not configured, redirect the packet queue 0 */
2386         if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
2387                 conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
2388                 rss_conf = conf->rx_adv_conf.rss_conf;
2389                 hw->rss_dis_flag = false;
2390                 ret = hns3_dev_rss_hash_update(dev, &rss_conf);
2391                 if (ret)
2392                         goto cfg_err;
2393         }
2394
2395         /*
2396          * If jumbo frames are enabled, MTU needs to be refreshed
2397          * according to the maximum RX packet length.
2398          */
2399         if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
2400                 max_rx_pkt_len = conf->rxmode.max_rx_pkt_len;
2401                 if (max_rx_pkt_len > HNS3_MAX_FRAME_LEN ||
2402                     max_rx_pkt_len <= HNS3_DEFAULT_FRAME_LEN) {
2403                         hns3_err(hw, "maximum Rx packet length must be greater "
2404                                  "than %u and less than %u when jumbo frame enabled.",
2405                                  (uint16_t)HNS3_DEFAULT_FRAME_LEN,
2406                                  (uint16_t)HNS3_MAX_FRAME_LEN);
2407                         ret = -EINVAL;
2408                         goto cfg_err;
2409                 }
2410
2411                 mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(max_rx_pkt_len);
2412                 ret = hns3_dev_mtu_set(dev, mtu);
2413                 if (ret)
2414                         goto cfg_err;
2415                 dev->data->mtu = mtu;
2416         }
2417
2418         ret = hns3_dev_configure_vlan(dev);
2419         if (ret)
2420                 goto cfg_err;
2421
2422         /* config hardware GRO */
2423         gro_en = conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO ? true : false;
2424         ret = hns3_config_gro(hw, gro_en);
2425         if (ret)
2426                 goto cfg_err;
2427
2428         hns->rx_simple_allowed = true;
2429         hns->rx_vec_allowed = true;
2430         hns->tx_simple_allowed = true;
2431         hns->tx_vec_allowed = true;
2432
2433         hns3_init_rx_ptype_tble(dev);
2434         hw->adapter_state = HNS3_NIC_CONFIGURED;
2435
2436         return 0;
2437
2438 cfg_err:
2439         (void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
2440         hw->adapter_state = HNS3_NIC_INITIALIZED;
2441
2442         return ret;
2443 }
2444
2445 static int
2446 hns3_set_mac_mtu(struct hns3_hw *hw, uint16_t new_mps)
2447 {
2448         struct hns3_config_max_frm_size_cmd *req;
2449         struct hns3_cmd_desc desc;
2450
2451         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAX_FRM_SIZE, false);
2452
2453         req = (struct hns3_config_max_frm_size_cmd *)desc.data;
2454         req->max_frm_size = rte_cpu_to_le_16(new_mps);
2455         req->min_frm_size = RTE_ETHER_MIN_LEN;
2456
2457         return hns3_cmd_send(hw, &desc, 1);
2458 }
2459
2460 static int
2461 hns3_config_mtu(struct hns3_hw *hw, uint16_t mps)
2462 {
2463         int ret;
2464
2465         ret = hns3_set_mac_mtu(hw, mps);
2466         if (ret) {
2467                 hns3_err(hw, "Failed to set mtu, ret = %d", ret);
2468                 return ret;
2469         }
2470
2471         ret = hns3_buffer_alloc(hw);
2472         if (ret)
2473                 hns3_err(hw, "Failed to allocate buffer, ret = %d", ret);
2474
2475         return ret;
2476 }
2477
2478 static int
2479 hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2480 {
2481         struct hns3_adapter *hns = dev->data->dev_private;
2482         uint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;
2483         struct hns3_hw *hw = &hns->hw;
2484         bool is_jumbo_frame;
2485         int ret;
2486
2487         if (dev->data->dev_started) {
2488                 hns3_err(hw, "Failed to set mtu, port %u must be stopped "
2489                          "before configuration", dev->data->port_id);
2490                 return -EBUSY;
2491         }
2492
2493         rte_spinlock_lock(&hw->lock);
2494         is_jumbo_frame = frame_size > HNS3_DEFAULT_FRAME_LEN ? true : false;
2495         frame_size = RTE_MAX(frame_size, HNS3_DEFAULT_FRAME_LEN);
2496
2497         /*
2498          * Maximum value of frame_size is HNS3_MAX_FRAME_LEN, so it can safely
2499          * assign to "uint16_t" type variable.
2500          */
2501         ret = hns3_config_mtu(hw, (uint16_t)frame_size);
2502         if (ret) {
2503                 rte_spinlock_unlock(&hw->lock);
2504                 hns3_err(hw, "Failed to set mtu, port %u mtu %u: %d",
2505                          dev->data->port_id, mtu, ret);
2506                 return ret;
2507         }
2508         hns->pf.mps = (uint16_t)frame_size;
2509         if (is_jumbo_frame)
2510                 dev->data->dev_conf.rxmode.offloads |=
2511                                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
2512         else
2513                 dev->data->dev_conf.rxmode.offloads &=
2514                                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
2515         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2516         rte_spinlock_unlock(&hw->lock);
2517
2518         return 0;
2519 }
2520
2521 int
2522 hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
2523 {
2524         struct hns3_adapter *hns = eth_dev->data->dev_private;
2525         struct hns3_hw *hw = &hns->hw;
2526         uint16_t queue_num = hw->tqps_num;
2527
2528         /*
2529          * In interrupt mode, 'max_rx_queues' is set based on the number of
2530          * MSI-X interrupt resources of the hardware.
2531          */
2532         if (hw->data->dev_conf.intr_conf.rxq == 1)
2533                 queue_num = hw->intr_tqps_num;
2534
2535         info->max_rx_queues = queue_num;
2536         info->max_tx_queues = hw->tqps_num;
2537         info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */
2538         info->min_rx_bufsize = HNS3_MIN_BD_BUF_SIZE;
2539         info->max_mac_addrs = HNS3_UC_MACADDR_NUM;
2540         info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD;
2541         info->max_lro_pkt_size = HNS3_MAX_LRO_SIZE;
2542         info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
2543                                  DEV_RX_OFFLOAD_TCP_CKSUM |
2544                                  DEV_RX_OFFLOAD_UDP_CKSUM |
2545                                  DEV_RX_OFFLOAD_SCTP_CKSUM |
2546                                  DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
2547                                  DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
2548                                  DEV_RX_OFFLOAD_KEEP_CRC |
2549                                  DEV_RX_OFFLOAD_SCATTER |
2550                                  DEV_RX_OFFLOAD_VLAN_STRIP |
2551                                  DEV_RX_OFFLOAD_VLAN_FILTER |
2552                                  DEV_RX_OFFLOAD_JUMBO_FRAME |
2553                                  DEV_RX_OFFLOAD_RSS_HASH |
2554                                  DEV_RX_OFFLOAD_TCP_LRO);
2555         info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
2556                                  DEV_TX_OFFLOAD_IPV4_CKSUM |
2557                                  DEV_TX_OFFLOAD_TCP_CKSUM |
2558                                  DEV_TX_OFFLOAD_UDP_CKSUM |
2559                                  DEV_TX_OFFLOAD_SCTP_CKSUM |
2560                                  DEV_TX_OFFLOAD_MULTI_SEGS |
2561                                  DEV_TX_OFFLOAD_TCP_TSO |
2562                                  DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
2563                                  DEV_TX_OFFLOAD_GRE_TNL_TSO |
2564                                  DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
2565                                  DEV_TX_OFFLOAD_MBUF_FAST_FREE |
2566                                  hns3_txvlan_cap_get(hw));
2567
2568         if (hns3_dev_indep_txrx_supported(hw))
2569                 info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
2570                                  RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
2571
2572         info->rx_desc_lim = (struct rte_eth_desc_lim) {
2573                 .nb_max = HNS3_MAX_RING_DESC,
2574                 .nb_min = HNS3_MIN_RING_DESC,
2575                 .nb_align = HNS3_ALIGN_RING_DESC,
2576         };
2577
2578         info->tx_desc_lim = (struct rte_eth_desc_lim) {
2579                 .nb_max = HNS3_MAX_RING_DESC,
2580                 .nb_min = HNS3_MIN_RING_DESC,
2581                 .nb_align = HNS3_ALIGN_RING_DESC,
2582                 .nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT,
2583                 .nb_mtu_seg_max = hw->max_non_tso_bd_num,
2584         };
2585
2586         info->default_rxconf = (struct rte_eth_rxconf) {
2587                 .rx_free_thresh = HNS3_DEFAULT_RX_FREE_THRESH,
2588                 /*
2589                  * If there are no available Rx buffer descriptors, incoming
2590                  * packets are always dropped by hardware based on hns3 network
2591                  * engine.
2592                  */
2593                 .rx_drop_en = 1,
2594                 .offloads = 0,
2595         };
2596         info->default_txconf = (struct rte_eth_txconf) {
2597                 .tx_rs_thresh = HNS3_DEFAULT_TX_RS_THRESH,
2598                 .offloads = 0,
2599         };
2600
2601         info->vmdq_queue_num = 0;
2602
2603         info->reta_size = hw->rss_ind_tbl_size;
2604         info->hash_key_size = HNS3_RSS_KEY_SIZE;
2605         info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
2606
2607         info->default_rxportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2608         info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2609         info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2610         info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2611         info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2612         info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2613
2614         return 0;
2615 }
2616
2617 static int
2618 hns3_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
2619                     size_t fw_size)
2620 {
2621         struct hns3_adapter *hns = eth_dev->data->dev_private;
2622         struct hns3_hw *hw = &hns->hw;
2623         uint32_t version = hw->fw_version;
2624         int ret;
2625
2626         ret = snprintf(fw_version, fw_size, "%lu.%lu.%lu.%lu",
2627                        hns3_get_field(version, HNS3_FW_VERSION_BYTE3_M,
2628                                       HNS3_FW_VERSION_BYTE3_S),
2629                        hns3_get_field(version, HNS3_FW_VERSION_BYTE2_M,
2630                                       HNS3_FW_VERSION_BYTE2_S),
2631                        hns3_get_field(version, HNS3_FW_VERSION_BYTE1_M,
2632                                       HNS3_FW_VERSION_BYTE1_S),
2633                        hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M,
2634                                       HNS3_FW_VERSION_BYTE0_S));
2635         ret += 1; /* add the size of '\0' */
2636         if (fw_size < (uint32_t)ret)
2637                 return ret;
2638         else
2639                 return 0;
2640 }
2641
2642 static int
2643 hns3_dev_link_update(struct rte_eth_dev *eth_dev,
2644                      __rte_unused int wait_to_complete)
2645 {
2646         struct hns3_adapter *hns = eth_dev->data->dev_private;
2647         struct hns3_hw *hw = &hns->hw;
2648         struct hns3_mac *mac = &hw->mac;
2649         struct rte_eth_link new_link;
2650
2651         if (!hns3_is_reset_pending(hns)) {
2652                 hns3_update_link_status(hw);
2653                 hns3_update_link_info(eth_dev);
2654         }
2655
2656         memset(&new_link, 0, sizeof(new_link));
2657         switch (mac->link_speed) {
2658         case ETH_SPEED_NUM_10M:
2659         case ETH_SPEED_NUM_100M:
2660         case ETH_SPEED_NUM_1G:
2661         case ETH_SPEED_NUM_10G:
2662         case ETH_SPEED_NUM_25G:
2663         case ETH_SPEED_NUM_40G:
2664         case ETH_SPEED_NUM_50G:
2665         case ETH_SPEED_NUM_100G:
2666         case ETH_SPEED_NUM_200G:
2667                 new_link.link_speed = mac->link_speed;
2668                 break;
2669         default:
2670                 new_link.link_speed = ETH_SPEED_NUM_100M;
2671                 break;
2672         }
2673
2674         new_link.link_duplex = mac->link_duplex;
2675         new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
2676         new_link.link_autoneg =
2677             !(eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2678
2679         return rte_eth_linkstatus_set(eth_dev, &new_link);
2680 }
2681
2682 static int
2683 hns3_parse_func_status(struct hns3_hw *hw, struct hns3_func_status_cmd *status)
2684 {
2685         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2686         struct hns3_pf *pf = &hns->pf;
2687
2688         if (!(status->pf_state & HNS3_PF_STATE_DONE))
2689                 return -EINVAL;
2690
2691         pf->is_main_pf = (status->pf_state & HNS3_PF_STATE_MAIN) ? true : false;
2692
2693         return 0;
2694 }
2695
2696 static int
2697 hns3_query_function_status(struct hns3_hw *hw)
2698 {
2699 #define HNS3_QUERY_MAX_CNT              10
2700 #define HNS3_QUERY_SLEEP_MSCOEND        1
2701         struct hns3_func_status_cmd *req;
2702         struct hns3_cmd_desc desc;
2703         int timeout = 0;
2704         int ret;
2705
2706         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_FUNC_STATUS, true);
2707         req = (struct hns3_func_status_cmd *)desc.data;
2708
2709         do {
2710                 ret = hns3_cmd_send(hw, &desc, 1);
2711                 if (ret) {
2712                         PMD_INIT_LOG(ERR, "query function status failed %d",
2713                                      ret);
2714                         return ret;
2715                 }
2716
2717                 /* Check pf reset is done */
2718                 if (req->pf_state)
2719                         break;
2720
2721                 rte_delay_ms(HNS3_QUERY_SLEEP_MSCOEND);
2722         } while (timeout++ < HNS3_QUERY_MAX_CNT);
2723
2724         return hns3_parse_func_status(hw, req);
2725 }
2726
2727 static int
2728 hns3_get_pf_max_tqp_num(struct hns3_hw *hw)
2729 {
2730         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2731         struct hns3_pf *pf = &hns->pf;
2732
2733         if (pf->tqp_config_mode == HNS3_FLEX_MAX_TQP_NUM_MODE) {
2734                 /*
2735                  * The total_tqps_num obtained from firmware is maximum tqp
2736                  * numbers of this port, which should be used for PF and VFs.
2737                  * There is no need for pf to have so many tqp numbers in
2738                  * most cases. RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF,
2739                  * coming from config file, is assigned to maximum queue number
2740                  * for the PF of this port by user. So users can modify the
2741                  * maximum queue number of PF according to their own application
2742                  * scenarios, which is more flexible to use. In addition, many
2743                  * memories can be saved due to allocating queue statistics
2744                  * room according to the actual number of queues required. The
2745                  * maximum queue number of PF for network engine with
2746                  * revision_id greater than 0x30 is assigned by config file.
2747                  */
2748                 if (RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF <= 0) {
2749                         hns3_err(hw, "RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF(%d) "
2750                                  "must be greater than 0.",
2751                                  RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF);
2752                         return -EINVAL;
2753                 }
2754
2755                 hw->tqps_num = RTE_MIN(RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF,
2756                                        hw->total_tqps_num);
2757         } else {
2758                 /*
2759                  * Due to the limitation on the number of PF interrupts
2760                  * available, the maximum queue number assigned to PF on
2761                  * the network engine with revision_id 0x21 is 64.
2762                  */
2763                 hw->tqps_num = RTE_MIN(hw->total_tqps_num,
2764                                        HNS3_MAX_TQP_NUM_HIP08_PF);
2765         }
2766
2767         return 0;
2768 }
2769
2770 static int
2771 hns3_query_pf_resource(struct hns3_hw *hw)
2772 {
2773         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2774         struct hns3_pf *pf = &hns->pf;
2775         struct hns3_pf_res_cmd *req;
2776         struct hns3_cmd_desc desc;
2777         int ret;
2778
2779         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_PF_RSRC, true);
2780         ret = hns3_cmd_send(hw, &desc, 1);
2781         if (ret) {
2782                 PMD_INIT_LOG(ERR, "query pf resource failed %d", ret);
2783                 return ret;
2784         }
2785
2786         req = (struct hns3_pf_res_cmd *)desc.data;
2787         hw->total_tqps_num = rte_le_to_cpu_16(req->tqp_num) +
2788                              rte_le_to_cpu_16(req->ext_tqp_num);
2789         ret = hns3_get_pf_max_tqp_num(hw);
2790         if (ret)
2791                 return ret;
2792
2793         pf->pkt_buf_size = rte_le_to_cpu_16(req->buf_size) << HNS3_BUF_UNIT_S;
2794         pf->func_num = rte_le_to_cpu_16(req->pf_own_fun_number);
2795
2796         if (req->tx_buf_size)
2797                 pf->tx_buf_size =
2798                     rte_le_to_cpu_16(req->tx_buf_size) << HNS3_BUF_UNIT_S;
2799         else
2800                 pf->tx_buf_size = HNS3_DEFAULT_TX_BUF;
2801
2802         pf->tx_buf_size = roundup(pf->tx_buf_size, HNS3_BUF_SIZE_UNIT);
2803
2804         if (req->dv_buf_size)
2805                 pf->dv_buf_size =
2806                     rte_le_to_cpu_16(req->dv_buf_size) << HNS3_BUF_UNIT_S;
2807         else
2808                 pf->dv_buf_size = HNS3_DEFAULT_DV;
2809
2810         pf->dv_buf_size = roundup(pf->dv_buf_size, HNS3_BUF_SIZE_UNIT);
2811
2812         hw->num_msi =
2813                 hns3_get_field(rte_le_to_cpu_16(req->nic_pf_intr_vector_number),
2814                                HNS3_PF_VEC_NUM_M, HNS3_PF_VEC_NUM_S);
2815
2816         return 0;
2817 }
2818
2819 static void
2820 hns3_parse_cfg(struct hns3_cfg *cfg, struct hns3_cmd_desc *desc)
2821 {
2822         struct hns3_cfg_param_cmd *req;
2823         uint64_t mac_addr_tmp_high;
2824         uint8_t ext_rss_size_max;
2825         uint64_t mac_addr_tmp;
2826         uint32_t i;
2827
2828         req = (struct hns3_cfg_param_cmd *)desc[0].data;
2829
2830         /* get the configuration */
2831         cfg->vmdq_vport_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2832                                              HNS3_CFG_VMDQ_M, HNS3_CFG_VMDQ_S);
2833         cfg->tc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2834                                      HNS3_CFG_TC_NUM_M, HNS3_CFG_TC_NUM_S);
2835         cfg->tqp_desc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2836                                            HNS3_CFG_TQP_DESC_N_M,
2837                                            HNS3_CFG_TQP_DESC_N_S);
2838
2839         cfg->phy_addr = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2840                                        HNS3_CFG_PHY_ADDR_M,
2841                                        HNS3_CFG_PHY_ADDR_S);
2842         cfg->media_type = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2843                                          HNS3_CFG_MEDIA_TP_M,
2844                                          HNS3_CFG_MEDIA_TP_S);
2845         cfg->rx_buf_len = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2846                                          HNS3_CFG_RX_BUF_LEN_M,
2847                                          HNS3_CFG_RX_BUF_LEN_S);
2848         /* get mac address */
2849         mac_addr_tmp = rte_le_to_cpu_32(req->param[2]);
2850         mac_addr_tmp_high = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2851                                            HNS3_CFG_MAC_ADDR_H_M,
2852                                            HNS3_CFG_MAC_ADDR_H_S);
2853
2854         mac_addr_tmp |= (mac_addr_tmp_high << 31) << 1;
2855
2856         cfg->default_speed = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2857                                             HNS3_CFG_DEFAULT_SPEED_M,
2858                                             HNS3_CFG_DEFAULT_SPEED_S);
2859         cfg->rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2860                                            HNS3_CFG_RSS_SIZE_M,
2861                                            HNS3_CFG_RSS_SIZE_S);
2862
2863         for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
2864                 cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
2865
2866         req = (struct hns3_cfg_param_cmd *)desc[1].data;
2867         cfg->numa_node_map = rte_le_to_cpu_32(req->param[0]);
2868
2869         cfg->speed_ability = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2870                                             HNS3_CFG_SPEED_ABILITY_M,
2871                                             HNS3_CFG_SPEED_ABILITY_S);
2872         cfg->umv_space = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2873                                         HNS3_CFG_UMV_TBL_SPACE_M,
2874                                         HNS3_CFG_UMV_TBL_SPACE_S);
2875         if (!cfg->umv_space)
2876                 cfg->umv_space = HNS3_DEFAULT_UMV_SPACE_PER_PF;
2877
2878         ext_rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[2]),
2879                                                HNS3_CFG_EXT_RSS_SIZE_M,
2880                                                HNS3_CFG_EXT_RSS_SIZE_S);
2881
2882         /*
2883          * Field ext_rss_size_max obtained from firmware will be more flexible
2884          * for future changes and expansions, which is an exponent of 2, instead
2885          * of reading out directly. If this field is not zero, hns3 PF PMD
2886          * driver uses it as rss_size_max under one TC. Device, whose revision
2887          * id is greater than or equal to PCI_REVISION_ID_HIP09_A, obtains the
2888          * maximum number of queues supported under a TC through this field.
2889          */
2890         if (ext_rss_size_max)
2891                 cfg->rss_size_max = 1U << ext_rss_size_max;
2892 }
2893
2894 /* hns3_get_board_cfg: query the static parameter from NCL_config file in flash
2895  * @hw: pointer to struct hns3_hw
2896  * @hcfg: the config structure to be getted
2897  */
2898 static int
2899 hns3_get_board_cfg(struct hns3_hw *hw, struct hns3_cfg *hcfg)
2900 {
2901         struct hns3_cmd_desc desc[HNS3_PF_CFG_DESC_NUM];
2902         struct hns3_cfg_param_cmd *req;
2903         uint32_t offset;
2904         uint32_t i;
2905         int ret;
2906
2907         for (i = 0; i < HNS3_PF_CFG_DESC_NUM; i++) {
2908                 offset = 0;
2909                 req = (struct hns3_cfg_param_cmd *)desc[i].data;
2910                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_GET_CFG_PARAM,
2911                                           true);
2912                 hns3_set_field(offset, HNS3_CFG_OFFSET_M, HNS3_CFG_OFFSET_S,
2913                                i * HNS3_CFG_RD_LEN_BYTES);
2914                 /* Len should be divided by 4 when send to hardware */
2915                 hns3_set_field(offset, HNS3_CFG_RD_LEN_M, HNS3_CFG_RD_LEN_S,
2916                                HNS3_CFG_RD_LEN_BYTES / HNS3_CFG_RD_LEN_UNIT);
2917                 req->offset = rte_cpu_to_le_32(offset);
2918         }
2919
2920         ret = hns3_cmd_send(hw, desc, HNS3_PF_CFG_DESC_NUM);
2921         if (ret) {
2922                 PMD_INIT_LOG(ERR, "get config failed %d.", ret);
2923                 return ret;
2924         }
2925
2926         hns3_parse_cfg(hcfg, desc);
2927
2928         return 0;
2929 }
2930
2931 static int
2932 hns3_parse_speed(int speed_cmd, uint32_t *speed)
2933 {
2934         switch (speed_cmd) {
2935         case HNS3_CFG_SPEED_10M:
2936                 *speed = ETH_SPEED_NUM_10M;
2937                 break;
2938         case HNS3_CFG_SPEED_100M:
2939                 *speed = ETH_SPEED_NUM_100M;
2940                 break;
2941         case HNS3_CFG_SPEED_1G:
2942                 *speed = ETH_SPEED_NUM_1G;
2943                 break;
2944         case HNS3_CFG_SPEED_10G:
2945                 *speed = ETH_SPEED_NUM_10G;
2946                 break;
2947         case HNS3_CFG_SPEED_25G:
2948                 *speed = ETH_SPEED_NUM_25G;
2949                 break;
2950         case HNS3_CFG_SPEED_40G:
2951                 *speed = ETH_SPEED_NUM_40G;
2952                 break;
2953         case HNS3_CFG_SPEED_50G:
2954                 *speed = ETH_SPEED_NUM_50G;
2955                 break;
2956         case HNS3_CFG_SPEED_100G:
2957                 *speed = ETH_SPEED_NUM_100G;
2958                 break;
2959         case HNS3_CFG_SPEED_200G:
2960                 *speed = ETH_SPEED_NUM_200G;
2961                 break;
2962         default:
2963                 return -EINVAL;
2964         }
2965
2966         return 0;
2967 }
2968
2969 static void
2970 hns3_set_default_dev_specifications(struct hns3_hw *hw)
2971 {
2972         hw->max_non_tso_bd_num = HNS3_MAX_NON_TSO_BD_PER_PKT;
2973         hw->rss_ind_tbl_size = HNS3_RSS_IND_TBL_SIZE;
2974         hw->rss_key_size = HNS3_RSS_KEY_SIZE;
2975         hw->max_tm_rate = HNS3_ETHER_MAX_RATE;
2976         hw->intr.int_ql_max = HNS3_INTR_QL_NONE;
2977 }
2978
2979 static void
2980 hns3_parse_dev_specifications(struct hns3_hw *hw, struct hns3_cmd_desc *desc)
2981 {
2982         struct hns3_dev_specs_0_cmd *req0;
2983
2984         req0 = (struct hns3_dev_specs_0_cmd *)desc[0].data;
2985
2986         hw->max_non_tso_bd_num = req0->max_non_tso_bd_num;
2987         hw->rss_ind_tbl_size = rte_le_to_cpu_16(req0->rss_ind_tbl_size);
2988         hw->rss_key_size = rte_le_to_cpu_16(req0->rss_key_size);
2989         hw->max_tm_rate = rte_le_to_cpu_32(req0->max_tm_rate);
2990         hw->intr.int_ql_max = rte_le_to_cpu_16(req0->intr_ql_max);
2991 }
2992
2993 static int
2994 hns3_check_dev_specifications(struct hns3_hw *hw)
2995 {
2996         if (hw->rss_ind_tbl_size == 0 ||
2997             hw->rss_ind_tbl_size > HNS3_RSS_IND_TBL_SIZE_MAX) {
2998                 hns3_err(hw, "the size of hash lookup table configured (%u)"
2999                               " exceeds the maximum(%u)", hw->rss_ind_tbl_size,
3000                               HNS3_RSS_IND_TBL_SIZE_MAX);
3001                 return -EINVAL;
3002         }
3003
3004         return 0;
3005 }
3006
3007 static int
3008 hns3_query_dev_specifications(struct hns3_hw *hw)
3009 {
3010         struct hns3_cmd_desc desc[HNS3_QUERY_DEV_SPECS_BD_NUM];
3011         int ret;
3012         int i;
3013
3014         for (i = 0; i < HNS3_QUERY_DEV_SPECS_BD_NUM - 1; i++) {
3015                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS,
3016                                           true);
3017                 desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3018         }
3019         hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS, true);
3020
3021         ret = hns3_cmd_send(hw, desc, HNS3_QUERY_DEV_SPECS_BD_NUM);
3022         if (ret)
3023                 return ret;
3024
3025         hns3_parse_dev_specifications(hw, desc);
3026
3027         return hns3_check_dev_specifications(hw);
3028 }
3029
3030 static int
3031 hns3_get_capability(struct hns3_hw *hw)
3032 {
3033         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3034         struct rte_pci_device *pci_dev;
3035         struct hns3_pf *pf = &hns->pf;
3036         struct rte_eth_dev *eth_dev;
3037         uint16_t device_id;
3038         uint8_t revision;
3039         int ret;
3040
3041         eth_dev = &rte_eth_devices[hw->data->port_id];
3042         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
3043         device_id = pci_dev->id.device_id;
3044
3045         if (device_id == HNS3_DEV_ID_25GE_RDMA ||
3046             device_id == HNS3_DEV_ID_50GE_RDMA ||
3047             device_id == HNS3_DEV_ID_100G_RDMA_MACSEC ||
3048             device_id == HNS3_DEV_ID_200G_RDMA)
3049                 hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_DCB_B, 1);
3050
3051         /* Get PCI revision id */
3052         ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
3053                                   HNS3_PCI_REVISION_ID);
3054         if (ret != HNS3_PCI_REVISION_ID_LEN) {
3055                 PMD_INIT_LOG(ERR, "failed to read pci revision id, ret = %d",
3056                              ret);
3057                 return -EIO;
3058         }
3059         hw->revision = revision;
3060
3061         if (revision < PCI_REVISION_ID_HIP09_A) {
3062                 hns3_set_default_dev_specifications(hw);
3063                 hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_RSV_ONE;
3064                 hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_2US;
3065                 hw->tso_mode = HNS3_TSO_SW_CAL_PSEUDO_H_CSUM;
3066                 hw->vlan_mode = HNS3_SW_SHIFT_AND_DISCARD_MODE;
3067                 hw->min_tx_pkt_len = HNS3_HIP08_MIN_TX_PKT_LEN;
3068                 pf->tqp_config_mode = HNS3_FIXED_MAX_TQP_NUM_MODE;
3069                 hw->rss_info.ipv6_sctp_offload_supported = false;
3070                 return 0;
3071         }
3072
3073         ret = hns3_query_dev_specifications(hw);
3074         if (ret) {
3075                 PMD_INIT_LOG(ERR,
3076                              "failed to query dev specifications, ret = %d",
3077                              ret);
3078                 return ret;
3079         }
3080
3081         hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_ALL;
3082         hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_1US;
3083         hw->tso_mode = HNS3_TSO_HW_CAL_PSEUDO_H_CSUM;
3084         hw->vlan_mode = HNS3_HW_SHIFT_AND_DISCARD_MODE;
3085         hw->min_tx_pkt_len = HNS3_HIP09_MIN_TX_PKT_LEN;
3086         pf->tqp_config_mode = HNS3_FLEX_MAX_TQP_NUM_MODE;
3087         hw->rss_info.ipv6_sctp_offload_supported = true;
3088
3089         return 0;
3090 }
3091
3092 static int
3093 hns3_get_board_configuration(struct hns3_hw *hw)
3094 {
3095         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3096         struct hns3_pf *pf = &hns->pf;
3097         struct hns3_cfg cfg;
3098         int ret;
3099
3100         ret = hns3_get_board_cfg(hw, &cfg);
3101         if (ret) {
3102                 PMD_INIT_LOG(ERR, "get board config failed %d", ret);
3103                 return ret;
3104         }
3105
3106         if (cfg.media_type == HNS3_MEDIA_TYPE_COPPER &&
3107             !hns3_dev_copper_supported(hw)) {
3108                 PMD_INIT_LOG(ERR, "media type is copper, not supported.");
3109                 return -EOPNOTSUPP;
3110         }
3111
3112         hw->mac.media_type = cfg.media_type;
3113         hw->rss_size_max = cfg.rss_size_max;
3114         hw->rss_dis_flag = false;
3115         memcpy(hw->mac.mac_addr, cfg.mac_addr, RTE_ETHER_ADDR_LEN);
3116         hw->mac.phy_addr = cfg.phy_addr;
3117         hw->mac.default_addr_setted = false;
3118         hw->num_tx_desc = cfg.tqp_desc_num;
3119         hw->num_rx_desc = cfg.tqp_desc_num;
3120         hw->dcb_info.num_pg = 1;
3121         hw->dcb_info.hw_pfc_map = 0;
3122
3123         ret = hns3_parse_speed(cfg.default_speed, &hw->mac.link_speed);
3124         if (ret) {
3125                 PMD_INIT_LOG(ERR, "Get wrong speed %u, ret = %d",
3126                              cfg.default_speed, ret);
3127                 return ret;
3128         }
3129
3130         pf->tc_max = cfg.tc_num;
3131         if (pf->tc_max > HNS3_MAX_TC_NUM || pf->tc_max < 1) {
3132                 PMD_INIT_LOG(WARNING,
3133                              "Get TC num(%u) from flash, set TC num to 1",
3134                              pf->tc_max);
3135                 pf->tc_max = 1;
3136         }
3137
3138         /* Dev does not support DCB */
3139         if (!hns3_dev_dcb_supported(hw)) {
3140                 pf->tc_max = 1;
3141                 pf->pfc_max = 0;
3142         } else
3143                 pf->pfc_max = pf->tc_max;
3144
3145         hw->dcb_info.num_tc = 1;
3146         hw->alloc_rss_size = RTE_MIN(hw->rss_size_max,
3147                                      hw->tqps_num / hw->dcb_info.num_tc);
3148         hns3_set_bit(hw->hw_tc_map, 0, 1);
3149         pf->tx_sch_mode = HNS3_FLAG_TC_BASE_SCH_MODE;
3150
3151         pf->wanted_umv_size = cfg.umv_space;
3152
3153         return ret;
3154 }
3155
3156 static int
3157 hns3_get_configuration(struct hns3_hw *hw)
3158 {
3159         int ret;
3160
3161         ret = hns3_query_function_status(hw);
3162         if (ret) {
3163                 PMD_INIT_LOG(ERR, "Failed to query function status: %d.", ret);
3164                 return ret;
3165         }
3166
3167         /* Get device capability */
3168         ret = hns3_get_capability(hw);
3169         if (ret) {
3170                 PMD_INIT_LOG(ERR, "failed to get device capability: %d.", ret);
3171                 return ret;
3172         }
3173
3174         /* Get pf resource */
3175         ret = hns3_query_pf_resource(hw);
3176         if (ret) {
3177                 PMD_INIT_LOG(ERR, "Failed to query pf resource: %d", ret);
3178                 return ret;
3179         }
3180
3181         ret = hns3_get_board_configuration(hw);
3182         if (ret) {
3183                 PMD_INIT_LOG(ERR, "failed to get board configuration: %d", ret);
3184                 return ret;
3185         }
3186
3187         ret = hns3_query_dev_fec_info(hw);
3188         if (ret)
3189                 PMD_INIT_LOG(ERR,
3190                              "failed to query FEC information, ret = %d", ret);
3191
3192         return ret;
3193 }
3194
3195 static int
3196 hns3_map_tqps_to_func(struct hns3_hw *hw, uint16_t func_id, uint16_t tqp_pid,
3197                       uint16_t tqp_vid, bool is_pf)
3198 {
3199         struct hns3_tqp_map_cmd *req;
3200         struct hns3_cmd_desc desc;
3201         int ret;
3202
3203         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SET_TQP_MAP, false);
3204
3205         req = (struct hns3_tqp_map_cmd *)desc.data;
3206         req->tqp_id = rte_cpu_to_le_16(tqp_pid);
3207         req->tqp_vf = func_id;
3208         req->tqp_flag = 1 << HNS3_TQP_MAP_EN_B;
3209         if (!is_pf)
3210                 req->tqp_flag |= (1 << HNS3_TQP_MAP_TYPE_B);
3211         req->tqp_vid = rte_cpu_to_le_16(tqp_vid);
3212
3213         ret = hns3_cmd_send(hw, &desc, 1);
3214         if (ret)
3215                 PMD_INIT_LOG(ERR, "TQP map failed %d", ret);
3216
3217         return ret;
3218 }
3219
3220 static int
3221 hns3_map_tqp(struct hns3_hw *hw)
3222 {
3223         int ret;
3224         int i;
3225
3226         /*
3227          * In current version, VF is not supported when PF is driven by DPDK
3228          * driver, so we assign total tqps_num tqps allocated to this port
3229          * to PF.
3230          */
3231         for (i = 0; i < hw->total_tqps_num; i++) {
3232                 ret = hns3_map_tqps_to_func(hw, HNS3_PF_FUNC_ID, i, i, true);
3233                 if (ret)
3234                         return ret;
3235         }
3236
3237         return 0;
3238 }
3239
3240 static int
3241 hns3_cfg_mac_speed_dup_hw(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
3242 {
3243         struct hns3_config_mac_speed_dup_cmd *req;
3244         struct hns3_cmd_desc desc;
3245         int ret;
3246
3247         req = (struct hns3_config_mac_speed_dup_cmd *)desc.data;
3248
3249         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_SPEED_DUP, false);
3250
3251         hns3_set_bit(req->speed_dup, HNS3_CFG_DUPLEX_B, !!duplex ? 1 : 0);
3252
3253         switch (speed) {
3254         case ETH_SPEED_NUM_10M:
3255                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3256                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10M);
3257                 break;
3258         case ETH_SPEED_NUM_100M:
3259                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3260                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100M);
3261                 break;
3262         case ETH_SPEED_NUM_1G:
3263                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3264                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_1G);
3265                 break;
3266         case ETH_SPEED_NUM_10G:
3267                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3268                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10G);
3269                 break;
3270         case ETH_SPEED_NUM_25G:
3271                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3272                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_25G);
3273                 break;
3274         case ETH_SPEED_NUM_40G:
3275                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3276                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_40G);
3277                 break;
3278         case ETH_SPEED_NUM_50G:
3279                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3280                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_50G);
3281                 break;
3282         case ETH_SPEED_NUM_100G:
3283                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3284                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100G);
3285                 break;
3286         case ETH_SPEED_NUM_200G:
3287                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3288                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_200G);
3289                 break;
3290         default:
3291                 PMD_INIT_LOG(ERR, "invalid speed (%u)", speed);
3292                 return -EINVAL;
3293         }
3294
3295         hns3_set_bit(req->mac_change_fec_en, HNS3_CFG_MAC_SPEED_CHANGE_EN_B, 1);
3296
3297         ret = hns3_cmd_send(hw, &desc, 1);
3298         if (ret)
3299                 PMD_INIT_LOG(ERR, "mac speed/duplex config cmd failed %d", ret);
3300
3301         return ret;
3302 }
3303
3304 static int
3305 hns3_tx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3306 {
3307         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3308         struct hns3_pf *pf = &hns->pf;
3309         struct hns3_priv_buf *priv;
3310         uint32_t i, total_size;
3311
3312         total_size = pf->pkt_buf_size;
3313
3314         /* alloc tx buffer for all enabled tc */
3315         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3316                 priv = &buf_alloc->priv_buf[i];
3317
3318                 if (hw->hw_tc_map & BIT(i)) {
3319                         if (total_size < pf->tx_buf_size)
3320                                 return -ENOMEM;
3321
3322                         priv->tx_buf_size = pf->tx_buf_size;
3323                 } else
3324                         priv->tx_buf_size = 0;
3325
3326                 total_size -= priv->tx_buf_size;
3327         }
3328
3329         return 0;
3330 }
3331
3332 static int
3333 hns3_tx_buffer_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3334 {
3335 /* TX buffer size is unit by 128 byte */
3336 #define HNS3_BUF_SIZE_UNIT_SHIFT        7
3337 #define HNS3_BUF_SIZE_UPDATE_EN_MSK     BIT(15)
3338         struct hns3_tx_buff_alloc_cmd *req;
3339         struct hns3_cmd_desc desc;
3340         uint32_t buf_size;
3341         uint32_t i;
3342         int ret;
3343
3344         req = (struct hns3_tx_buff_alloc_cmd *)desc.data;
3345
3346         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TX_BUFF_ALLOC, 0);
3347         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3348                 buf_size = buf_alloc->priv_buf[i].tx_buf_size;
3349
3350                 buf_size = buf_size >> HNS3_BUF_SIZE_UNIT_SHIFT;
3351                 req->tx_pkt_buff[i] = rte_cpu_to_le_16(buf_size |
3352                                                 HNS3_BUF_SIZE_UPDATE_EN_MSK);
3353         }
3354
3355         ret = hns3_cmd_send(hw, &desc, 1);
3356         if (ret)
3357                 PMD_INIT_LOG(ERR, "tx buffer alloc cmd failed %d", ret);
3358
3359         return ret;
3360 }
3361
3362 static int
3363 hns3_get_tc_num(struct hns3_hw *hw)
3364 {
3365         int cnt = 0;
3366         uint8_t i;
3367
3368         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3369                 if (hw->hw_tc_map & BIT(i))
3370                         cnt++;
3371         return cnt;
3372 }
3373
3374 static uint32_t
3375 hns3_get_rx_priv_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3376 {
3377         struct hns3_priv_buf *priv;
3378         uint32_t rx_priv = 0;
3379         int i;
3380
3381         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3382                 priv = &buf_alloc->priv_buf[i];
3383                 if (priv->enable)
3384                         rx_priv += priv->buf_size;
3385         }
3386         return rx_priv;
3387 }
3388
3389 static uint32_t
3390 hns3_get_tx_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3391 {
3392         uint32_t total_tx_size = 0;
3393         uint32_t i;
3394
3395         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3396                 total_tx_size += buf_alloc->priv_buf[i].tx_buf_size;
3397
3398         return total_tx_size;
3399 }
3400
3401 /* Get the number of pfc enabled TCs, which have private buffer */
3402 static int
3403 hns3_get_pfc_priv_num(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3404 {
3405         struct hns3_priv_buf *priv;
3406         int cnt = 0;
3407         uint8_t i;
3408
3409         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3410                 priv = &buf_alloc->priv_buf[i];
3411                 if ((hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3412                         cnt++;
3413         }
3414
3415         return cnt;
3416 }
3417
3418 /* Get the number of pfc disabled TCs, which have private buffer */
3419 static int
3420 hns3_get_no_pfc_priv_num(struct hns3_hw *hw,
3421                          struct hns3_pkt_buf_alloc *buf_alloc)
3422 {
3423         struct hns3_priv_buf *priv;
3424         int cnt = 0;
3425         uint8_t i;
3426
3427         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3428                 priv = &buf_alloc->priv_buf[i];
3429                 if (hw->hw_tc_map & BIT(i) &&
3430                     !(hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3431                         cnt++;
3432         }
3433
3434         return cnt;
3435 }
3436
3437 static bool
3438 hns3_is_rx_buf_ok(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc,
3439                   uint32_t rx_all)
3440 {
3441         uint32_t shared_buf_min, shared_buf_tc, shared_std, hi_thrd, lo_thrd;
3442         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3443         struct hns3_pf *pf = &hns->pf;
3444         uint32_t shared_buf, aligned_mps;
3445         uint32_t rx_priv;
3446         uint8_t tc_num;
3447         uint8_t i;
3448
3449         tc_num = hns3_get_tc_num(hw);
3450         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3451
3452         if (hns3_dev_dcb_supported(hw))
3453                 shared_buf_min = HNS3_BUF_MUL_BY * aligned_mps +
3454                                         pf->dv_buf_size;
3455         else
3456                 shared_buf_min = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF
3457                                         + pf->dv_buf_size;
3458
3459         shared_buf_tc = tc_num * aligned_mps + aligned_mps;
3460         shared_std = roundup(RTE_MAX(shared_buf_min, shared_buf_tc),
3461                              HNS3_BUF_SIZE_UNIT);
3462
3463         rx_priv = hns3_get_rx_priv_buff_alloced(buf_alloc);
3464         if (rx_all < rx_priv + shared_std)
3465                 return false;
3466
3467         shared_buf = rounddown(rx_all - rx_priv, HNS3_BUF_SIZE_UNIT);
3468         buf_alloc->s_buf.buf_size = shared_buf;
3469         if (hns3_dev_dcb_supported(hw)) {
3470                 buf_alloc->s_buf.self.high = shared_buf - pf->dv_buf_size;
3471                 buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high
3472                         - roundup(aligned_mps / HNS3_BUF_DIV_BY,
3473                                   HNS3_BUF_SIZE_UNIT);
3474         } else {
3475                 buf_alloc->s_buf.self.high =
3476                         aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3477                 buf_alloc->s_buf.self.low = aligned_mps;
3478         }
3479
3480         if (hns3_dev_dcb_supported(hw)) {
3481                 hi_thrd = shared_buf - pf->dv_buf_size;
3482
3483                 if (tc_num <= NEED_RESERVE_TC_NUM)
3484                         hi_thrd = hi_thrd * BUF_RESERVE_PERCENT /
3485                                   BUF_MAX_PERCENT;
3486
3487                 if (tc_num)
3488                         hi_thrd = hi_thrd / tc_num;
3489
3490                 hi_thrd = RTE_MAX(hi_thrd, HNS3_BUF_MUL_BY * aligned_mps);
3491                 hi_thrd = rounddown(hi_thrd, HNS3_BUF_SIZE_UNIT);
3492                 lo_thrd = hi_thrd - aligned_mps / HNS3_BUF_DIV_BY;
3493         } else {
3494                 hi_thrd = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3495                 lo_thrd = aligned_mps;
3496         }
3497
3498         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3499                 buf_alloc->s_buf.tc_thrd[i].low = lo_thrd;
3500                 buf_alloc->s_buf.tc_thrd[i].high = hi_thrd;
3501         }
3502
3503         return true;
3504 }
3505
3506 static bool
3507 hns3_rx_buf_calc_all(struct hns3_hw *hw, bool max,
3508                      struct hns3_pkt_buf_alloc *buf_alloc)
3509 {
3510         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3511         struct hns3_pf *pf = &hns->pf;
3512         struct hns3_priv_buf *priv;
3513         uint32_t aligned_mps;
3514         uint32_t rx_all;
3515         uint8_t i;
3516
3517         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3518         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3519
3520         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3521                 priv = &buf_alloc->priv_buf[i];
3522
3523                 priv->enable = 0;
3524                 priv->wl.low = 0;
3525                 priv->wl.high = 0;
3526                 priv->buf_size = 0;
3527
3528                 if (!(hw->hw_tc_map & BIT(i)))
3529                         continue;
3530
3531                 priv->enable = 1;
3532                 if (hw->dcb_info.hw_pfc_map & BIT(i)) {
3533                         priv->wl.low = max ? aligned_mps : HNS3_BUF_SIZE_UNIT;
3534                         priv->wl.high = roundup(priv->wl.low + aligned_mps,
3535                                                 HNS3_BUF_SIZE_UNIT);
3536                 } else {
3537                         priv->wl.low = 0;
3538                         priv->wl.high = max ? (aligned_mps * HNS3_BUF_MUL_BY) :
3539                                         aligned_mps;
3540                 }
3541
3542                 priv->buf_size = priv->wl.high + pf->dv_buf_size;
3543         }
3544
3545         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3546 }
3547
3548 static bool
3549 hns3_drop_nopfc_buf_till_fit(struct hns3_hw *hw,
3550                              struct hns3_pkt_buf_alloc *buf_alloc)
3551 {
3552         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3553         struct hns3_pf *pf = &hns->pf;
3554         struct hns3_priv_buf *priv;
3555         int no_pfc_priv_num;
3556         uint32_t rx_all;
3557         uint8_t mask;
3558         int i;
3559
3560         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3561         no_pfc_priv_num = hns3_get_no_pfc_priv_num(hw, buf_alloc);
3562
3563         /* let the last to be cleared first */
3564         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3565                 priv = &buf_alloc->priv_buf[i];
3566                 mask = BIT((uint8_t)i);
3567
3568                 if (hw->hw_tc_map & mask &&
3569                     !(hw->dcb_info.hw_pfc_map & mask)) {
3570                         /* Clear the no pfc TC private buffer */
3571                         priv->wl.low = 0;
3572                         priv->wl.high = 0;
3573                         priv->buf_size = 0;
3574                         priv->enable = 0;
3575                         no_pfc_priv_num--;
3576                 }
3577
3578                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3579                     no_pfc_priv_num == 0)
3580                         break;
3581         }
3582
3583         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3584 }
3585
3586 static bool
3587 hns3_drop_pfc_buf_till_fit(struct hns3_hw *hw,
3588                            struct hns3_pkt_buf_alloc *buf_alloc)
3589 {
3590         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3591         struct hns3_pf *pf = &hns->pf;
3592         struct hns3_priv_buf *priv;
3593         uint32_t rx_all;
3594         int pfc_priv_num;
3595         uint8_t mask;
3596         int i;
3597
3598         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3599         pfc_priv_num = hns3_get_pfc_priv_num(hw, buf_alloc);
3600
3601         /* let the last to be cleared first */
3602         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3603                 priv = &buf_alloc->priv_buf[i];
3604                 mask = BIT((uint8_t)i);
3605                 if (hw->hw_tc_map & mask && hw->dcb_info.hw_pfc_map & mask) {
3606                         /* Reduce the number of pfc TC with private buffer */
3607                         priv->wl.low = 0;
3608                         priv->enable = 0;
3609                         priv->wl.high = 0;
3610                         priv->buf_size = 0;
3611                         pfc_priv_num--;
3612                 }
3613                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3614                     pfc_priv_num == 0)
3615                         break;
3616         }
3617
3618         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3619 }
3620
3621 static bool
3622 hns3_only_alloc_priv_buff(struct hns3_hw *hw,
3623                           struct hns3_pkt_buf_alloc *buf_alloc)
3624 {
3625 #define COMPENSATE_BUFFER       0x3C00
3626 #define COMPENSATE_HALF_MPS_NUM 5
3627 #define PRIV_WL_GAP             0x1800
3628         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3629         struct hns3_pf *pf = &hns->pf;
3630         uint32_t tc_num = hns3_get_tc_num(hw);
3631         uint32_t half_mps = pf->mps >> 1;
3632         struct hns3_priv_buf *priv;
3633         uint32_t min_rx_priv;
3634         uint32_t rx_priv;
3635         uint8_t i;
3636
3637         rx_priv = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3638         if (tc_num)
3639                 rx_priv = rx_priv / tc_num;
3640
3641         if (tc_num <= NEED_RESERVE_TC_NUM)
3642                 rx_priv = rx_priv * BUF_RESERVE_PERCENT / BUF_MAX_PERCENT;
3643
3644         /*
3645          * Minimum value of private buffer in rx direction (min_rx_priv) is
3646          * equal to "DV + 2.5 * MPS + 15KB". Driver only allocates rx private
3647          * buffer if rx_priv is greater than min_rx_priv.
3648          */
3649         min_rx_priv = pf->dv_buf_size + COMPENSATE_BUFFER +
3650                         COMPENSATE_HALF_MPS_NUM * half_mps;
3651         min_rx_priv = roundup(min_rx_priv, HNS3_BUF_SIZE_UNIT);
3652         rx_priv = rounddown(rx_priv, HNS3_BUF_SIZE_UNIT);
3653
3654         if (rx_priv < min_rx_priv)
3655                 return false;
3656
3657         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3658                 priv = &buf_alloc->priv_buf[i];
3659                 priv->enable = 0;
3660                 priv->wl.low = 0;
3661                 priv->wl.high = 0;
3662                 priv->buf_size = 0;
3663
3664                 if (!(hw->hw_tc_map & BIT(i)))
3665                         continue;
3666
3667                 priv->enable = 1;
3668                 priv->buf_size = rx_priv;
3669                 priv->wl.high = rx_priv - pf->dv_buf_size;
3670                 priv->wl.low = priv->wl.high - PRIV_WL_GAP;
3671         }
3672
3673         buf_alloc->s_buf.buf_size = 0;
3674
3675         return true;
3676 }
3677
3678 /*
3679  * hns3_rx_buffer_calc: calculate the rx private buffer size for all TCs
3680  * @hw: pointer to struct hns3_hw
3681  * @buf_alloc: pointer to buffer calculation data
3682  * @return: 0: calculate sucessful, negative: fail
3683  */
3684 static int
3685 hns3_rx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3686 {
3687         /* When DCB is not supported, rx private buffer is not allocated. */
3688         if (!hns3_dev_dcb_supported(hw)) {
3689                 struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3690                 struct hns3_pf *pf = &hns->pf;
3691                 uint32_t rx_all = pf->pkt_buf_size;
3692
3693                 rx_all -= hns3_get_tx_buff_alloced(buf_alloc);
3694                 if (!hns3_is_rx_buf_ok(hw, buf_alloc, rx_all))
3695                         return -ENOMEM;
3696
3697                 return 0;
3698         }
3699
3700         /*
3701          * Try to allocate privated packet buffer for all TCs without share
3702          * buffer.
3703          */
3704         if (hns3_only_alloc_priv_buff(hw, buf_alloc))
3705                 return 0;
3706
3707         /*
3708          * Try to allocate privated packet buffer for all TCs with share
3709          * buffer.
3710          */
3711         if (hns3_rx_buf_calc_all(hw, true, buf_alloc))
3712                 return 0;
3713
3714         /*
3715          * For different application scenes, the enabled port number, TC number
3716          * and no_drop TC number are different. In order to obtain the better
3717          * performance, software could allocate the buffer size and configure
3718          * the waterline by tring to decrease the private buffer size according
3719          * to the order, namely, waterline of valided tc, pfc disabled tc, pfc
3720          * enabled tc.
3721          */
3722         if (hns3_rx_buf_calc_all(hw, false, buf_alloc))
3723                 return 0;
3724
3725         if (hns3_drop_nopfc_buf_till_fit(hw, buf_alloc))
3726                 return 0;
3727
3728         if (hns3_drop_pfc_buf_till_fit(hw, buf_alloc))
3729                 return 0;
3730
3731         return -ENOMEM;
3732 }
3733
3734 static int
3735 hns3_rx_priv_buf_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3736 {
3737         struct hns3_rx_priv_buff_cmd *req;
3738         struct hns3_cmd_desc desc;
3739         uint32_t buf_size;
3740         int ret;
3741         int i;
3742
3743         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_PRIV_BUFF_ALLOC, false);
3744         req = (struct hns3_rx_priv_buff_cmd *)desc.data;
3745
3746         /* Alloc private buffer TCs */
3747         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3748                 struct hns3_priv_buf *priv = &buf_alloc->priv_buf[i];
3749
3750                 req->buf_num[i] =
3751                         rte_cpu_to_le_16(priv->buf_size >> HNS3_BUF_UNIT_S);
3752                 req->buf_num[i] |= rte_cpu_to_le_16(1 << HNS3_TC0_PRI_BUF_EN_B);
3753         }
3754
3755         buf_size = buf_alloc->s_buf.buf_size;
3756         req->shared_buf = rte_cpu_to_le_16((buf_size >> HNS3_BUF_UNIT_S) |
3757                                            (1 << HNS3_TC0_PRI_BUF_EN_B));
3758
3759         ret = hns3_cmd_send(hw, &desc, 1);
3760         if (ret)
3761                 PMD_INIT_LOG(ERR, "rx private buffer alloc cmd failed %d", ret);
3762
3763         return ret;
3764 }
3765
3766 static int
3767 hns3_rx_priv_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3768 {
3769 #define HNS3_RX_PRIV_WL_ALLOC_DESC_NUM 2
3770         struct hns3_rx_priv_wl_buf *req;
3771         struct hns3_priv_buf *priv;
3772         struct hns3_cmd_desc desc[HNS3_RX_PRIV_WL_ALLOC_DESC_NUM];
3773         int i, j;
3774         int ret;
3775
3776         for (i = 0; i < HNS3_RX_PRIV_WL_ALLOC_DESC_NUM; i++) {
3777                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_PRIV_WL_ALLOC,
3778                                           false);
3779                 req = (struct hns3_rx_priv_wl_buf *)desc[i].data;
3780
3781                 /* The first descriptor set the NEXT bit to 1 */
3782                 if (i == 0)
3783                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3784                 else
3785                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3786
3787                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3788                         uint32_t idx = i * HNS3_TC_NUM_ONE_DESC + j;
3789
3790                         priv = &buf_alloc->priv_buf[idx];
3791                         req->tc_wl[j].high = rte_cpu_to_le_16(priv->wl.high >>
3792                                                         HNS3_BUF_UNIT_S);
3793                         req->tc_wl[j].high |=
3794                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3795                         req->tc_wl[j].low = rte_cpu_to_le_16(priv->wl.low >>
3796                                                         HNS3_BUF_UNIT_S);
3797                         req->tc_wl[j].low |=
3798                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3799                 }
3800         }
3801
3802         /* Send 2 descriptor at one time */
3803         ret = hns3_cmd_send(hw, desc, HNS3_RX_PRIV_WL_ALLOC_DESC_NUM);
3804         if (ret)
3805                 PMD_INIT_LOG(ERR, "rx private waterline config cmd failed %d",
3806                              ret);
3807         return ret;
3808 }
3809
3810 static int
3811 hns3_common_thrd_config(struct hns3_hw *hw,
3812                         struct hns3_pkt_buf_alloc *buf_alloc)
3813 {
3814 #define HNS3_RX_COM_THRD_ALLOC_DESC_NUM 2
3815         struct hns3_shared_buf *s_buf = &buf_alloc->s_buf;
3816         struct hns3_rx_com_thrd *req;
3817         struct hns3_cmd_desc desc[HNS3_RX_COM_THRD_ALLOC_DESC_NUM];
3818         struct hns3_tc_thrd *tc;
3819         int tc_idx;
3820         int i, j;
3821         int ret;
3822
3823         for (i = 0; i < HNS3_RX_COM_THRD_ALLOC_DESC_NUM; i++) {
3824                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_COM_THRD_ALLOC,
3825                                           false);
3826                 req = (struct hns3_rx_com_thrd *)&desc[i].data;
3827
3828                 /* The first descriptor set the NEXT bit to 1 */
3829                 if (i == 0)
3830                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3831                 else
3832                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3833
3834                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3835                         tc_idx = i * HNS3_TC_NUM_ONE_DESC + j;
3836                         tc = &s_buf->tc_thrd[tc_idx];
3837
3838                         req->com_thrd[j].high =
3839                                 rte_cpu_to_le_16(tc->high >> HNS3_BUF_UNIT_S);
3840                         req->com_thrd[j].high |=
3841                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3842                         req->com_thrd[j].low =
3843                                 rte_cpu_to_le_16(tc->low >> HNS3_BUF_UNIT_S);
3844                         req->com_thrd[j].low |=
3845                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3846                 }
3847         }
3848
3849         /* Send 2 descriptors at one time */
3850         ret = hns3_cmd_send(hw, desc, HNS3_RX_COM_THRD_ALLOC_DESC_NUM);
3851         if (ret)
3852                 PMD_INIT_LOG(ERR, "common threshold config cmd failed %d", ret);
3853
3854         return ret;
3855 }
3856
3857 static int
3858 hns3_common_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3859 {
3860         struct hns3_shared_buf *buf = &buf_alloc->s_buf;
3861         struct hns3_rx_com_wl *req;
3862         struct hns3_cmd_desc desc;
3863         int ret;
3864
3865         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_COM_WL_ALLOC, false);
3866
3867         req = (struct hns3_rx_com_wl *)desc.data;
3868         req->com_wl.high = rte_cpu_to_le_16(buf->self.high >> HNS3_BUF_UNIT_S);
3869         req->com_wl.high |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3870
3871         req->com_wl.low = rte_cpu_to_le_16(buf->self.low >> HNS3_BUF_UNIT_S);
3872         req->com_wl.low |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3873
3874         ret = hns3_cmd_send(hw, &desc, 1);
3875         if (ret)
3876                 PMD_INIT_LOG(ERR, "common waterline config cmd failed %d", ret);
3877
3878         return ret;
3879 }
3880
3881 int
3882 hns3_buffer_alloc(struct hns3_hw *hw)
3883 {
3884         struct hns3_pkt_buf_alloc pkt_buf;
3885         int ret;
3886
3887         memset(&pkt_buf, 0, sizeof(pkt_buf));
3888         ret = hns3_tx_buffer_calc(hw, &pkt_buf);
3889         if (ret) {
3890                 PMD_INIT_LOG(ERR,
3891                              "could not calc tx buffer size for all TCs %d",
3892                              ret);
3893                 return ret;
3894         }
3895
3896         ret = hns3_tx_buffer_alloc(hw, &pkt_buf);
3897         if (ret) {
3898                 PMD_INIT_LOG(ERR, "could not alloc tx buffers %d", ret);
3899                 return ret;
3900         }
3901
3902         ret = hns3_rx_buffer_calc(hw, &pkt_buf);
3903         if (ret) {
3904                 PMD_INIT_LOG(ERR,
3905                              "could not calc rx priv buffer size for all TCs %d",
3906                              ret);
3907                 return ret;
3908         }
3909
3910         ret = hns3_rx_priv_buf_alloc(hw, &pkt_buf);
3911         if (ret) {
3912                 PMD_INIT_LOG(ERR, "could not alloc rx priv buffer %d", ret);
3913                 return ret;
3914         }
3915
3916         if (hns3_dev_dcb_supported(hw)) {
3917                 ret = hns3_rx_priv_wl_config(hw, &pkt_buf);
3918                 if (ret) {
3919                         PMD_INIT_LOG(ERR,
3920                                      "could not configure rx private waterline %d",
3921                                      ret);
3922                         return ret;
3923                 }
3924
3925                 ret = hns3_common_thrd_config(hw, &pkt_buf);
3926                 if (ret) {
3927                         PMD_INIT_LOG(ERR,
3928                                      "could not configure common threshold %d",
3929                                      ret);
3930                         return ret;
3931                 }
3932         }
3933
3934         ret = hns3_common_wl_config(hw, &pkt_buf);
3935         if (ret)
3936                 PMD_INIT_LOG(ERR, "could not configure common waterline %d",
3937                              ret);
3938
3939         return ret;
3940 }
3941
3942 static int
3943 hns3_firmware_compat_config(struct hns3_hw *hw, bool is_init)
3944 {
3945         struct hns3_firmware_compat_cmd *req;
3946         struct hns3_cmd_desc desc;
3947         uint32_t compat = 0;
3948
3949         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FIRMWARE_COMPAT_CFG, false);
3950         req = (struct hns3_firmware_compat_cmd *)desc.data;
3951
3952         if (is_init) {
3953                 hns3_set_bit(compat, HNS3_LINK_EVENT_REPORT_EN_B, 1);
3954                 hns3_set_bit(compat, HNS3_NCSI_ERROR_REPORT_EN_B, 0);
3955         }
3956
3957         req->compat = rte_cpu_to_le_32(compat);
3958
3959         return hns3_cmd_send(hw, &desc, 1);
3960 }
3961
3962 static int
3963 hns3_mac_init(struct hns3_hw *hw)
3964 {
3965         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3966         struct hns3_mac *mac = &hw->mac;
3967         struct hns3_pf *pf = &hns->pf;
3968         int ret;
3969
3970         pf->support_sfp_query = true;
3971         mac->link_duplex = ETH_LINK_FULL_DUPLEX;
3972         ret = hns3_cfg_mac_speed_dup_hw(hw, mac->link_speed, mac->link_duplex);
3973         if (ret) {
3974                 PMD_INIT_LOG(ERR, "Config mac speed dup fail ret = %d", ret);
3975                 return ret;
3976         }
3977
3978         mac->link_status = ETH_LINK_DOWN;
3979
3980         return hns3_config_mtu(hw, pf->mps);
3981 }
3982
3983 static int
3984 hns3_get_mac_ethertype_cmd_status(uint16_t cmdq_resp, uint8_t resp_code)
3985 {
3986 #define HNS3_ETHERTYPE_SUCCESS_ADD              0
3987 #define HNS3_ETHERTYPE_ALREADY_ADD              1
3988 #define HNS3_ETHERTYPE_MGR_TBL_OVERFLOW         2
3989 #define HNS3_ETHERTYPE_KEY_CONFLICT             3
3990         int return_status;
3991
3992         if (cmdq_resp) {
3993                 PMD_INIT_LOG(ERR,
3994                              "cmdq execute failed for get_mac_ethertype_cmd_status, status=%u.\n",
3995                              cmdq_resp);
3996                 return -EIO;
3997         }
3998
3999         switch (resp_code) {
4000         case HNS3_ETHERTYPE_SUCCESS_ADD:
4001         case HNS3_ETHERTYPE_ALREADY_ADD:
4002                 return_status = 0;
4003                 break;
4004         case HNS3_ETHERTYPE_MGR_TBL_OVERFLOW:
4005                 PMD_INIT_LOG(ERR,
4006                              "add mac ethertype failed for manager table overflow.");
4007                 return_status = -EIO;
4008                 break;
4009         case HNS3_ETHERTYPE_KEY_CONFLICT:
4010                 PMD_INIT_LOG(ERR, "add mac ethertype failed for key conflict.");
4011                 return_status = -EIO;
4012                 break;
4013         default:
4014                 PMD_INIT_LOG(ERR,
4015                              "add mac ethertype failed for undefined, code=%u.",
4016                              resp_code);
4017                 return_status = -EIO;
4018                 break;
4019         }
4020
4021         return return_status;
4022 }
4023
4024 static int
4025 hns3_add_mgr_tbl(struct hns3_hw *hw,
4026                  const struct hns3_mac_mgr_tbl_entry_cmd *req)
4027 {
4028         struct hns3_cmd_desc desc;
4029         uint8_t resp_code;
4030         uint16_t retval;
4031         int ret;
4032
4033         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_ETHTYPE_ADD, false);
4034         memcpy(desc.data, req, sizeof(struct hns3_mac_mgr_tbl_entry_cmd));
4035
4036         ret = hns3_cmd_send(hw, &desc, 1);
4037         if (ret) {
4038                 PMD_INIT_LOG(ERR,
4039                              "add mac ethertype failed for cmd_send, ret =%d.",
4040                              ret);
4041                 return ret;
4042         }
4043
4044         resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
4045         retval = rte_le_to_cpu_16(desc.retval);
4046
4047         return hns3_get_mac_ethertype_cmd_status(retval, resp_code);
4048 }
4049
4050 static void
4051 hns3_prepare_mgr_tbl(struct hns3_mac_mgr_tbl_entry_cmd *mgr_table,
4052                      int *table_item_num)
4053 {
4054         struct hns3_mac_mgr_tbl_entry_cmd *tbl;
4055
4056         /*
4057          * In current version, we add one item in management table as below:
4058          * 0x0180C200000E -- LLDP MC address
4059          */
4060         tbl = mgr_table;
4061         tbl->flags = HNS3_MAC_MGR_MASK_VLAN_B;
4062         tbl->ethter_type = rte_cpu_to_le_16(HNS3_MAC_ETHERTYPE_LLDP);
4063         tbl->mac_addr_hi32 = rte_cpu_to_le_32(htonl(0x0180C200));
4064         tbl->mac_addr_lo16 = rte_cpu_to_le_16(htons(0x000E));
4065         tbl->i_port_bitmap = 0x1;
4066         *table_item_num = 1;
4067 }
4068
4069 static int
4070 hns3_init_mgr_tbl(struct hns3_hw *hw)
4071 {
4072 #define HNS_MAC_MGR_TBL_MAX_SIZE        16
4073         struct hns3_mac_mgr_tbl_entry_cmd mgr_table[HNS_MAC_MGR_TBL_MAX_SIZE];
4074         int table_item_num;
4075         int ret;
4076         int i;
4077
4078         memset(mgr_table, 0, sizeof(mgr_table));
4079         hns3_prepare_mgr_tbl(mgr_table, &table_item_num);
4080         for (i = 0; i < table_item_num; i++) {
4081                 ret = hns3_add_mgr_tbl(hw, &mgr_table[i]);
4082                 if (ret) {
4083                         PMD_INIT_LOG(ERR, "add mac ethertype failed, ret =%d",
4084                                      ret);
4085                         return ret;
4086                 }
4087         }
4088
4089         return 0;
4090 }
4091
4092 static void
4093 hns3_promisc_param_init(struct hns3_promisc_param *param, bool en_uc,
4094                         bool en_mc, bool en_bc, int vport_id)
4095 {
4096         if (!param)
4097                 return;
4098
4099         memset(param, 0, sizeof(struct hns3_promisc_param));
4100         if (en_uc)
4101                 param->enable = HNS3_PROMISC_EN_UC;
4102         if (en_mc)
4103                 param->enable |= HNS3_PROMISC_EN_MC;
4104         if (en_bc)
4105                 param->enable |= HNS3_PROMISC_EN_BC;
4106         param->vf_id = vport_id;
4107 }
4108
4109 static int
4110 hns3_cmd_set_promisc_mode(struct hns3_hw *hw, struct hns3_promisc_param *param)
4111 {
4112         struct hns3_promisc_cfg_cmd *req;
4113         struct hns3_cmd_desc desc;
4114         int ret;
4115
4116         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_PROMISC_MODE, false);
4117
4118         req = (struct hns3_promisc_cfg_cmd *)desc.data;
4119         req->vf_id = param->vf_id;
4120         req->flag = (param->enable << HNS3_PROMISC_EN_B) |
4121             HNS3_PROMISC_TX_EN_B | HNS3_PROMISC_RX_EN_B;
4122
4123         ret = hns3_cmd_send(hw, &desc, 1);
4124         if (ret)
4125                 PMD_INIT_LOG(ERR, "Set promisc mode fail, ret = %d", ret);
4126
4127         return ret;
4128 }
4129
4130 static int
4131 hns3_set_promisc_mode(struct hns3_hw *hw, bool en_uc_pmc, bool en_mc_pmc)
4132 {
4133         struct hns3_promisc_param param;
4134         bool en_bc_pmc = true;
4135         uint8_t vf_id;
4136
4137         /*
4138          * In current version VF is not supported when PF is driven by DPDK
4139          * driver, just need to configure parameters for PF vport.
4140          */
4141         vf_id = HNS3_PF_FUNC_ID;
4142
4143         hns3_promisc_param_init(&param, en_uc_pmc, en_mc_pmc, en_bc_pmc, vf_id);
4144         return hns3_cmd_set_promisc_mode(hw, &param);
4145 }
4146
4147 static int
4148 hns3_promisc_init(struct hns3_hw *hw)
4149 {
4150         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
4151         struct hns3_pf *pf = &hns->pf;
4152         struct hns3_promisc_param param;
4153         uint16_t func_id;
4154         int ret;
4155
4156         ret = hns3_set_promisc_mode(hw, false, false);
4157         if (ret) {
4158                 PMD_INIT_LOG(ERR, "failed to set promisc mode, ret = %d", ret);
4159                 return ret;
4160         }
4161
4162         /*
4163          * In current version VFs are not supported when PF is driven by DPDK
4164          * driver. After PF has been taken over by DPDK, the original VF will
4165          * be invalid. So, there is a possibility of entry residues. It should
4166          * clear VFs's promisc mode to avoid unnecessary bandwidth usage
4167          * during init.
4168          */
4169         for (func_id = HNS3_1ST_VF_FUNC_ID; func_id < pf->func_num; func_id++) {
4170                 hns3_promisc_param_init(&param, false, false, false, func_id);
4171                 ret = hns3_cmd_set_promisc_mode(hw, &param);
4172                 if (ret) {
4173                         PMD_INIT_LOG(ERR, "failed to clear vf:%u promisc mode,"
4174                                         " ret = %d", func_id, ret);
4175                         return ret;
4176                 }
4177         }
4178
4179         return 0;
4180 }
4181
4182 static void
4183 hns3_promisc_uninit(struct hns3_hw *hw)
4184 {
4185         struct hns3_promisc_param param;
4186         uint16_t func_id;
4187         int ret;
4188
4189         func_id = HNS3_PF_FUNC_ID;
4190
4191         /*
4192          * In current version VFs are not supported when PF is driven by
4193          * DPDK driver, and VFs' promisc mode status has been cleared during
4194          * init and their status will not change. So just clear PF's promisc
4195          * mode status during uninit.
4196          */
4197         hns3_promisc_param_init(&param, false, false, false, func_id);
4198         ret = hns3_cmd_set_promisc_mode(hw, &param);
4199         if (ret)
4200                 PMD_INIT_LOG(ERR, "failed to clear promisc status during"
4201                                 " uninit, ret = %d", ret);
4202 }
4203
4204 static int
4205 hns3_dev_promiscuous_enable(struct rte_eth_dev *dev)
4206 {
4207         bool allmulti = dev->data->all_multicast ? true : false;
4208         struct hns3_adapter *hns = dev->data->dev_private;
4209         struct hns3_hw *hw = &hns->hw;
4210         uint64_t offloads;
4211         int err;
4212         int ret;
4213
4214         rte_spinlock_lock(&hw->lock);
4215         ret = hns3_set_promisc_mode(hw, true, true);
4216         if (ret) {
4217                 rte_spinlock_unlock(&hw->lock);
4218                 hns3_err(hw, "failed to enable promiscuous mode, ret = %d",
4219                          ret);
4220                 return ret;
4221         }
4222
4223         /*
4224          * When promiscuous mode was enabled, disable the vlan filter to let
4225          * all packets coming in in the receiving direction.
4226          */
4227         offloads = dev->data->dev_conf.rxmode.offloads;
4228         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
4229                 ret = hns3_enable_vlan_filter(hns, false);
4230                 if (ret) {
4231                         hns3_err(hw, "failed to enable promiscuous mode due to "
4232                                      "failure to disable vlan filter, ret = %d",
4233                                  ret);
4234                         err = hns3_set_promisc_mode(hw, false, allmulti);
4235                         if (err)
4236                                 hns3_err(hw, "failed to restore promiscuous "
4237                                          "status after disable vlan filter "
4238                                          "failed during enabling promiscuous "
4239                                          "mode, ret = %d", ret);
4240                 }
4241         }
4242
4243         rte_spinlock_unlock(&hw->lock);
4244
4245         return ret;
4246 }
4247
4248 static int
4249 hns3_dev_promiscuous_disable(struct rte_eth_dev *dev)
4250 {
4251         bool allmulti = dev->data->all_multicast ? true : false;
4252         struct hns3_adapter *hns = dev->data->dev_private;
4253         struct hns3_hw *hw = &hns->hw;
4254         uint64_t offloads;
4255         int err;
4256         int ret;
4257
4258         /* If now in all_multicast mode, must remain in all_multicast mode. */
4259         rte_spinlock_lock(&hw->lock);
4260         ret = hns3_set_promisc_mode(hw, false, allmulti);
4261         if (ret) {
4262                 rte_spinlock_unlock(&hw->lock);
4263                 hns3_err(hw, "failed to disable promiscuous mode, ret = %d",
4264                          ret);
4265                 return ret;
4266         }
4267         /* when promiscuous mode was disabled, restore the vlan filter status */
4268         offloads = dev->data->dev_conf.rxmode.offloads;
4269         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
4270                 ret = hns3_enable_vlan_filter(hns, true);
4271                 if (ret) {
4272                         hns3_err(hw, "failed to disable promiscuous mode due to"
4273                                  " failure to restore vlan filter, ret = %d",
4274                                  ret);
4275                         err = hns3_set_promisc_mode(hw, true, true);
4276                         if (err)
4277                                 hns3_err(hw, "failed to restore promiscuous "
4278                                          "status after enabling vlan filter "
4279                                          "failed during disabling promiscuous "
4280                                          "mode, ret = %d", ret);
4281                 }
4282         }
4283         rte_spinlock_unlock(&hw->lock);
4284
4285         return ret;
4286 }
4287
4288 static int
4289 hns3_dev_allmulticast_enable(struct rte_eth_dev *dev)
4290 {
4291         struct hns3_adapter *hns = dev->data->dev_private;
4292         struct hns3_hw *hw = &hns->hw;
4293         int ret;
4294
4295         if (dev->data->promiscuous)
4296                 return 0;
4297
4298         rte_spinlock_lock(&hw->lock);
4299         ret = hns3_set_promisc_mode(hw, false, true);
4300         rte_spinlock_unlock(&hw->lock);
4301         if (ret)
4302                 hns3_err(hw, "failed to enable allmulticast mode, ret = %d",
4303                          ret);
4304
4305         return ret;
4306 }
4307
4308 static int
4309 hns3_dev_allmulticast_disable(struct rte_eth_dev *dev)
4310 {
4311         struct hns3_adapter *hns = dev->data->dev_private;
4312         struct hns3_hw *hw = &hns->hw;
4313         int ret;
4314
4315         /* If now in promiscuous mode, must remain in all_multicast mode. */
4316         if (dev->data->promiscuous)
4317                 return 0;
4318
4319         rte_spinlock_lock(&hw->lock);
4320         ret = hns3_set_promisc_mode(hw, false, false);
4321         rte_spinlock_unlock(&hw->lock);
4322         if (ret)
4323                 hns3_err(hw, "failed to disable allmulticast mode, ret = %d",
4324                          ret);
4325
4326         return ret;
4327 }
4328
4329 static int
4330 hns3_dev_promisc_restore(struct hns3_adapter *hns)
4331 {
4332         struct hns3_hw *hw = &hns->hw;
4333         bool allmulti = hw->data->all_multicast ? true : false;
4334         int ret;
4335
4336         if (hw->data->promiscuous) {
4337                 ret = hns3_set_promisc_mode(hw, true, true);
4338                 if (ret)
4339                         hns3_err(hw, "failed to restore promiscuous mode, "
4340                                  "ret = %d", ret);
4341                 return ret;
4342         }
4343
4344         ret = hns3_set_promisc_mode(hw, false, allmulti);
4345         if (ret)
4346                 hns3_err(hw, "failed to restore allmulticast mode, ret = %d",
4347                          ret);
4348         return ret;
4349 }
4350
4351 static int
4352 hns3_get_sfp_speed(struct hns3_hw *hw, uint32_t *speed)
4353 {
4354         struct hns3_sfp_speed_cmd *resp;
4355         struct hns3_cmd_desc desc;
4356         int ret;
4357
4358         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
4359         resp = (struct hns3_sfp_speed_cmd *)desc.data;
4360         ret = hns3_cmd_send(hw, &desc, 1);
4361         if (ret == -EOPNOTSUPP) {
4362                 hns3_err(hw, "IMP do not support get SFP speed %d", ret);
4363                 return ret;
4364         } else if (ret) {
4365                 hns3_err(hw, "get sfp speed failed %d", ret);
4366                 return ret;
4367         }
4368
4369         *speed = resp->sfp_speed;
4370
4371         return 0;
4372 }
4373
4374 static uint8_t
4375 hns3_check_speed_dup(uint8_t duplex, uint32_t speed)
4376 {
4377         if (!(speed == ETH_SPEED_NUM_10M || speed == ETH_SPEED_NUM_100M))
4378                 duplex = ETH_LINK_FULL_DUPLEX;
4379
4380         return duplex;
4381 }
4382
4383 static int
4384 hns3_cfg_mac_speed_dup(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
4385 {
4386         struct hns3_mac *mac = &hw->mac;
4387         uint32_t cur_speed = mac->link_speed;
4388         int ret;
4389
4390         duplex = hns3_check_speed_dup(duplex, speed);
4391         if (mac->link_speed == speed && mac->link_duplex == duplex)
4392                 return 0;
4393
4394         ret = hns3_cfg_mac_speed_dup_hw(hw, speed, duplex);
4395         if (ret)
4396                 return ret;
4397
4398         mac->link_speed = speed;
4399         ret = hns3_dcb_port_shaper_cfg(hw);
4400         if (ret) {
4401                 hns3_err(hw, "failed to configure port shaper, ret = %d.", ret);
4402                 mac->link_speed = cur_speed;
4403                 return ret;
4404         }
4405
4406         mac->link_duplex = duplex;
4407
4408         return 0;
4409 }
4410
4411 static int
4412 hns3_update_fiber_link_info(struct hns3_hw *hw)
4413 {
4414         struct hns3_pf *pf = HNS3_DEV_HW_TO_PF(hw);
4415         uint32_t speed;
4416         int ret;
4417
4418         /* If IMP do not support get SFP/qSFP speed, return directly */
4419         if (!pf->support_sfp_query)
4420                 return 0;
4421
4422         ret = hns3_get_sfp_speed(hw, &speed);
4423         if (ret == -EOPNOTSUPP) {
4424                 pf->support_sfp_query = false;
4425                 return ret;
4426         } else if (ret)
4427                 return ret;
4428
4429         if (speed == ETH_SPEED_NUM_NONE)
4430                 return 0; /* do nothing if no SFP */
4431
4432         /* Config full duplex for SFP */
4433         return hns3_cfg_mac_speed_dup(hw, speed, ETH_LINK_FULL_DUPLEX);
4434 }
4435
4436 static int
4437 hns3_update_link_info(struct rte_eth_dev *eth_dev)
4438 {
4439         struct hns3_adapter *hns = eth_dev->data->dev_private;
4440         struct hns3_hw *hw = &hns->hw;
4441         int ret = 0;
4442
4443         if (hw->mac.media_type == HNS3_MEDIA_TYPE_COPPER)
4444                 return 0;
4445         else if (hw->mac.media_type == HNS3_MEDIA_TYPE_FIBER)
4446                 ret = hns3_update_fiber_link_info(hw);
4447
4448         return ret;
4449 }
4450
4451 static int
4452 hns3_cfg_mac_mode(struct hns3_hw *hw, bool enable)
4453 {
4454         struct hns3_config_mac_mode_cmd *req;
4455         struct hns3_cmd_desc desc;
4456         uint32_t loop_en = 0;
4457         uint8_t val = 0;
4458         int ret;
4459
4460         req = (struct hns3_config_mac_mode_cmd *)desc.data;
4461
4462         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAC_MODE, false);
4463         if (enable)
4464                 val = 1;
4465         hns3_set_bit(loop_en, HNS3_MAC_TX_EN_B, val);
4466         hns3_set_bit(loop_en, HNS3_MAC_RX_EN_B, val);
4467         hns3_set_bit(loop_en, HNS3_MAC_PAD_TX_B, val);
4468         hns3_set_bit(loop_en, HNS3_MAC_PAD_RX_B, val);
4469         hns3_set_bit(loop_en, HNS3_MAC_1588_TX_B, 0);
4470         hns3_set_bit(loop_en, HNS3_MAC_1588_RX_B, 0);
4471         hns3_set_bit(loop_en, HNS3_MAC_APP_LP_B, 0);
4472         hns3_set_bit(loop_en, HNS3_MAC_LINE_LP_B, 0);
4473         hns3_set_bit(loop_en, HNS3_MAC_FCS_TX_B, val);
4474         hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_B, val);
4475
4476         /*
4477          * If DEV_RX_OFFLOAD_KEEP_CRC offload is set, MAC will not strip CRC
4478          * when receiving frames. Otherwise, CRC will be stripped.
4479          */
4480         if (hw->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)
4481                 hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, 0);
4482         else
4483                 hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, val);
4484         hns3_set_bit(loop_en, HNS3_MAC_TX_OVERSIZE_TRUNCATE_B, val);
4485         hns3_set_bit(loop_en, HNS3_MAC_RX_OVERSIZE_TRUNCATE_B, val);
4486         hns3_set_bit(loop_en, HNS3_MAC_TX_UNDER_MIN_ERR_B, val);
4487         req->txrx_pad_fcs_loop_en = rte_cpu_to_le_32(loop_en);
4488
4489         ret = hns3_cmd_send(hw, &desc, 1);
4490         if (ret)
4491                 PMD_INIT_LOG(ERR, "mac enable fail, ret =%d.", ret);
4492
4493         return ret;
4494 }
4495
4496 static int
4497 hns3_get_mac_link_status(struct hns3_hw *hw)
4498 {
4499         struct hns3_link_status_cmd *req;
4500         struct hns3_cmd_desc desc;
4501         int link_status;
4502         int ret;
4503
4504         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_LINK_STATUS, true);
4505         ret = hns3_cmd_send(hw, &desc, 1);
4506         if (ret) {
4507                 hns3_err(hw, "get link status cmd failed %d", ret);
4508                 return ETH_LINK_DOWN;
4509         }
4510
4511         req = (struct hns3_link_status_cmd *)desc.data;
4512         link_status = req->status & HNS3_LINK_STATUS_UP_M;
4513
4514         return !!link_status;
4515 }
4516
4517 static bool
4518 hns3_update_link_status(struct hns3_hw *hw)
4519 {
4520         int state;
4521
4522         state = hns3_get_mac_link_status(hw);
4523         if (state != hw->mac.link_status) {
4524                 hw->mac.link_status = state;
4525                 hns3_warn(hw, "Link status change to %s!", state ? "up" : "down");
4526                 return true;
4527         }
4528
4529         return false;
4530 }
4531
4532 /*
4533  * Current, the PF driver get link status by two ways:
4534  * 1) Periodic polling in the intr thread context, driver call
4535  *    hns3_update_link_status to update link status.
4536  * 2) Firmware report async interrupt, driver process the event in the intr
4537  *    thread context, and call hns3_update_link_status to update link status.
4538  *
4539  * If detect link status changed, driver need report LSE. One method is add the
4540  * report LSE logic in hns3_update_link_status.
4541  *
4542  * But the PF driver ops(link_update) also call hns3_update_link_status to
4543  * update link status.
4544  * If we report LSE in hns3_update_link_status, it may lead to deadlock in the
4545  * bonding application.
4546  *
4547  * So add the one new API which used only in intr thread context.
4548  */
4549 void
4550 hns3_update_link_status_and_event(struct hns3_hw *hw)
4551 {
4552         struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
4553         bool changed = hns3_update_link_status(hw);
4554         if (changed)
4555                 rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
4556 }
4557
4558 static void
4559 hns3_service_handler(void *param)
4560 {
4561         struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
4562         struct hns3_adapter *hns = eth_dev->data->dev_private;
4563         struct hns3_hw *hw = &hns->hw;
4564
4565         if (!hns3_is_reset_pending(hns)) {
4566                 hns3_update_link_status_and_event(hw);
4567                 hns3_update_link_info(eth_dev);
4568         } else {
4569                 hns3_warn(hw, "Cancel the query when reset is pending");
4570         }
4571
4572         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
4573 }
4574
4575 static int
4576 hns3_init_hardware(struct hns3_adapter *hns)
4577 {
4578         struct hns3_hw *hw = &hns->hw;
4579         int ret;
4580
4581         ret = hns3_map_tqp(hw);
4582         if (ret) {
4583                 PMD_INIT_LOG(ERR, "Failed to map tqp: %d", ret);
4584                 return ret;
4585         }
4586
4587         ret = hns3_init_umv_space(hw);
4588         if (ret) {
4589                 PMD_INIT_LOG(ERR, "Failed to init umv space: %d", ret);
4590                 return ret;
4591         }
4592
4593         ret = hns3_mac_init(hw);
4594         if (ret) {
4595                 PMD_INIT_LOG(ERR, "Failed to init MAC: %d", ret);
4596                 goto err_mac_init;
4597         }
4598
4599         ret = hns3_init_mgr_tbl(hw);
4600         if (ret) {
4601                 PMD_INIT_LOG(ERR, "Failed to init manager table: %d", ret);
4602                 goto err_mac_init;
4603         }
4604
4605         ret = hns3_promisc_init(hw);
4606         if (ret) {
4607                 PMD_INIT_LOG(ERR, "Failed to init promisc: %d",
4608                              ret);
4609                 goto err_mac_init;
4610         }
4611
4612         ret = hns3_init_vlan_config(hns);
4613         if (ret) {
4614                 PMD_INIT_LOG(ERR, "Failed to init vlan: %d", ret);
4615                 goto err_mac_init;
4616         }
4617
4618         ret = hns3_dcb_init(hw);
4619         if (ret) {
4620                 PMD_INIT_LOG(ERR, "Failed to init dcb: %d", ret);
4621                 goto err_mac_init;
4622         }
4623
4624         ret = hns3_init_fd_config(hns);
4625         if (ret) {
4626                 PMD_INIT_LOG(ERR, "Failed to init flow director: %d", ret);
4627                 goto err_mac_init;
4628         }
4629
4630         ret = hns3_config_tso(hw, HNS3_TSO_MSS_MIN, HNS3_TSO_MSS_MAX);
4631         if (ret) {
4632                 PMD_INIT_LOG(ERR, "Failed to config tso: %d", ret);
4633                 goto err_mac_init;
4634         }
4635
4636         ret = hns3_config_gro(hw, false);
4637         if (ret) {
4638                 PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
4639                 goto err_mac_init;
4640         }
4641
4642         /*
4643          * In the initialization clearing the all hardware mapping relationship
4644          * configurations between queues and interrupt vectors is needed, so
4645          * some error caused by the residual configurations, such as the
4646          * unexpected interrupt, can be avoid.
4647          */
4648         ret = hns3_init_ring_with_vector(hw);
4649         if (ret) {
4650                 PMD_INIT_LOG(ERR, "Failed to init ring intr vector: %d", ret);
4651                 goto err_mac_init;
4652         }
4653
4654         /*
4655          * Requiring firmware to enable some features, driver can
4656          * still work without it.
4657          */
4658         ret = hns3_firmware_compat_config(hw, true);
4659         if (ret)
4660                 PMD_INIT_LOG(WARNING, "firmware compatible features not "
4661                              "supported, ret = %d.", ret);
4662
4663         return 0;
4664
4665 err_mac_init:
4666         hns3_uninit_umv_space(hw);
4667         return ret;
4668 }
4669
4670 static int
4671 hns3_clear_hw(struct hns3_hw *hw)
4672 {
4673         struct hns3_cmd_desc desc;
4674         int ret;
4675
4676         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CLEAR_HW_STATE, false);
4677
4678         ret = hns3_cmd_send(hw, &desc, 1);
4679         if (ret && ret != -EOPNOTSUPP)
4680                 return ret;
4681
4682         return 0;
4683 }
4684
4685 static void
4686 hns3_config_all_msix_error(struct hns3_hw *hw, bool enable)
4687 {
4688         uint32_t val;
4689
4690         /*
4691          * The new firmware support report more hardware error types by
4692          * msix mode. These errors are defined as RAS errors in hardware
4693          * and belong to a different type from the MSI-x errors processed
4694          * by the network driver.
4695          *
4696          * Network driver should open the new error report on initialition
4697          */
4698         val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
4699         hns3_set_bit(val, HNS3_VECTOR0_ALL_MSIX_ERR_B, enable ? 1 : 0);
4700         hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, val);
4701 }
4702
4703 static int
4704 hns3_init_pf(struct rte_eth_dev *eth_dev)
4705 {
4706         struct rte_device *dev = eth_dev->device;
4707         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4708         struct hns3_adapter *hns = eth_dev->data->dev_private;
4709         struct hns3_hw *hw = &hns->hw;
4710         int ret;
4711
4712         PMD_INIT_FUNC_TRACE();
4713
4714         /* Get hardware io base address from pcie BAR2 IO space */
4715         hw->io_base = pci_dev->mem_resource[2].addr;
4716
4717         /* Firmware command queue initialize */
4718         ret = hns3_cmd_init_queue(hw);
4719         if (ret) {
4720                 PMD_INIT_LOG(ERR, "Failed to init cmd queue: %d", ret);
4721                 goto err_cmd_init_queue;
4722         }
4723
4724         hns3_clear_all_event_cause(hw);
4725
4726         /* Firmware command initialize */
4727         ret = hns3_cmd_init(hw);
4728         if (ret) {
4729                 PMD_INIT_LOG(ERR, "Failed to init cmd: %d", ret);
4730                 goto err_cmd_init;
4731         }
4732
4733         /*
4734          * To ensure that the hardware environment is clean during
4735          * initialization, the driver actively clear the hardware environment
4736          * during initialization, including PF and corresponding VFs' vlan, mac,
4737          * flow table configurations, etc.
4738          */
4739         ret = hns3_clear_hw(hw);
4740         if (ret) {
4741                 PMD_INIT_LOG(ERR, "failed to clear hardware: %d", ret);
4742                 goto err_cmd_init;
4743         }
4744
4745         hns3_config_all_msix_error(hw, true);
4746
4747         ret = rte_intr_callback_register(&pci_dev->intr_handle,
4748                                          hns3_interrupt_handler,
4749                                          eth_dev);
4750         if (ret) {
4751                 PMD_INIT_LOG(ERR, "Failed to register intr: %d", ret);
4752                 goto err_intr_callback_register;
4753         }
4754
4755         /* Enable interrupt */
4756         rte_intr_enable(&pci_dev->intr_handle);
4757         hns3_pf_enable_irq0(hw);
4758
4759         /* Get configuration */
4760         ret = hns3_get_configuration(hw);
4761         if (ret) {
4762                 PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
4763                 goto err_get_config;
4764         }
4765
4766         ret = hns3_tqp_stats_init(hw);
4767         if (ret)
4768                 goto err_get_config;
4769
4770         ret = hns3_init_hardware(hns);
4771         if (ret) {
4772                 PMD_INIT_LOG(ERR, "Failed to init hardware: %d", ret);
4773                 goto err_init_hw;
4774         }
4775
4776         /* Initialize flow director filter list & hash */
4777         ret = hns3_fdir_filter_init(hns);
4778         if (ret) {
4779                 PMD_INIT_LOG(ERR, "Failed to alloc hashmap for fdir: %d", ret);
4780                 goto err_fdir;
4781         }
4782
4783         hns3_rss_set_default_args(hw);
4784
4785         ret = hns3_enable_hw_error_intr(hns, true);
4786         if (ret) {
4787                 PMD_INIT_LOG(ERR, "fail to enable hw error interrupts: %d",
4788                              ret);
4789                 goto err_enable_intr;
4790         }
4791
4792         hns3_tm_conf_init(eth_dev);
4793
4794         return 0;
4795
4796 err_enable_intr:
4797         hns3_fdir_filter_uninit(hns);
4798 err_fdir:
4799         (void)hns3_firmware_compat_config(hw, false);
4800         hns3_uninit_umv_space(hw);
4801 err_init_hw:
4802         hns3_tqp_stats_uninit(hw);
4803 err_get_config:
4804         hns3_pf_disable_irq0(hw);
4805         rte_intr_disable(&pci_dev->intr_handle);
4806         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4807                              eth_dev);
4808 err_intr_callback_register:
4809 err_cmd_init:
4810         hns3_cmd_uninit(hw);
4811         hns3_cmd_destroy_queue(hw);
4812 err_cmd_init_queue:
4813         hw->io_base = NULL;
4814
4815         return ret;
4816 }
4817
4818 static void
4819 hns3_uninit_pf(struct rte_eth_dev *eth_dev)
4820 {
4821         struct hns3_adapter *hns = eth_dev->data->dev_private;
4822         struct rte_device *dev = eth_dev->device;
4823         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4824         struct hns3_hw *hw = &hns->hw;
4825
4826         PMD_INIT_FUNC_TRACE();
4827
4828         hns3_tm_conf_uninit(eth_dev);
4829         hns3_enable_hw_error_intr(hns, false);
4830         hns3_rss_uninit(hns);
4831         (void)hns3_config_gro(hw, false);
4832         hns3_promisc_uninit(hw);
4833         hns3_fdir_filter_uninit(hns);
4834         (void)hns3_firmware_compat_config(hw, false);
4835         hns3_uninit_umv_space(hw);
4836         hns3_tqp_stats_uninit(hw);
4837         hns3_pf_disable_irq0(hw);
4838         rte_intr_disable(&pci_dev->intr_handle);
4839         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4840                              eth_dev);
4841         hns3_config_all_msix_error(hw, false);
4842         hns3_cmd_uninit(hw);
4843         hns3_cmd_destroy_queue(hw);
4844         hw->io_base = NULL;
4845 }
4846
4847 static int
4848 hns3_do_start(struct hns3_adapter *hns, bool reset_queue)
4849 {
4850         struct hns3_hw *hw = &hns->hw;
4851         int ret;
4852
4853         ret = hns3_dcb_cfg_update(hns);
4854         if (ret)
4855                 return ret;
4856
4857         /*
4858          * The hns3_dcb_cfg_update may configure TM module, so
4859          * hns3_tm_conf_update must called later.
4860          */
4861         ret = hns3_tm_conf_update(hw);
4862         if (ret) {
4863                 PMD_INIT_LOG(ERR, "failed to update tm conf, ret = %d.", ret);
4864                 return ret;
4865         }
4866
4867         ret = hns3_init_queues(hns, reset_queue);
4868         if (ret) {
4869                 PMD_INIT_LOG(ERR, "failed to init queues, ret = %d.", ret);
4870                 return ret;
4871         }
4872
4873         ret = hns3_cfg_mac_mode(hw, true);
4874         if (ret) {
4875                 PMD_INIT_LOG(ERR, "failed to enable MAC, ret = %d", ret);
4876                 goto err_config_mac_mode;
4877         }
4878         return 0;
4879
4880 err_config_mac_mode:
4881         hns3_dev_release_mbufs(hns);
4882         /*
4883          * Here is exception handling, hns3_reset_all_tqps will have the
4884          * corresponding error message if it is handled incorrectly, so it is
4885          * not necessary to check hns3_reset_all_tqps return value, here keep
4886          * ret as the error code causing the exception.
4887          */
4888         (void)hns3_reset_all_tqps(hns);
4889         return ret;
4890 }
4891
4892 static int
4893 hns3_map_rx_interrupt(struct rte_eth_dev *dev)
4894 {
4895         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4896         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4897         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4898         uint16_t base = RTE_INTR_VEC_ZERO_OFFSET;
4899         uint16_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4900         uint32_t intr_vector;
4901         uint16_t q_id;
4902         int ret;
4903
4904         /*
4905          * hns3 needs a separate interrupt to be used as event interrupt which
4906          * could not be shared with task queue pair, so KERNEL drivers need
4907          * support multiple interrupt vectors.
4908          */
4909         if (dev->data->dev_conf.intr_conf.rxq == 0 ||
4910             !rte_intr_cap_multiple(intr_handle))
4911                 return 0;
4912
4913         rte_intr_disable(intr_handle);
4914         intr_vector = hw->used_rx_queues;
4915         /* creates event fd for each intr vector when MSIX is used */
4916         if (rte_intr_efd_enable(intr_handle, intr_vector))
4917                 return -EINVAL;
4918
4919         if (intr_handle->intr_vec == NULL) {
4920                 intr_handle->intr_vec =
4921                         rte_zmalloc("intr_vec",
4922                                     hw->used_rx_queues * sizeof(int), 0);
4923                 if (intr_handle->intr_vec == NULL) {
4924                         hns3_err(hw, "failed to allocate %u rx_queues intr_vec",
4925                                         hw->used_rx_queues);
4926                         ret = -ENOMEM;
4927                         goto alloc_intr_vec_error;
4928                 }
4929         }
4930
4931         if (rte_intr_allow_others(intr_handle)) {
4932                 vec = RTE_INTR_VEC_RXTX_OFFSET;
4933                 base = RTE_INTR_VEC_RXTX_OFFSET;
4934         }
4935
4936         for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4937                 ret = hns3_bind_ring_with_vector(hw, vec, true,
4938                                                  HNS3_RING_TYPE_RX, q_id);
4939                 if (ret)
4940                         goto bind_vector_error;
4941                 intr_handle->intr_vec[q_id] = vec;
4942                 /*
4943                  * If there are not enough efds (e.g. not enough interrupt),
4944                  * remaining queues will be bond to the last interrupt.
4945                  */
4946                 if (vec < base + intr_handle->nb_efd - 1)
4947                         vec++;
4948         }
4949         rte_intr_enable(intr_handle);
4950         return 0;
4951
4952 bind_vector_error:
4953         rte_free(intr_handle->intr_vec);
4954         intr_handle->intr_vec = NULL;
4955 alloc_intr_vec_error:
4956         rte_intr_efd_disable(intr_handle);
4957         return ret;
4958 }
4959
4960 static int
4961 hns3_restore_rx_interrupt(struct hns3_hw *hw)
4962 {
4963         struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
4964         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4965         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4966         uint16_t q_id;
4967         int ret;
4968
4969         if (dev->data->dev_conf.intr_conf.rxq == 0)
4970                 return 0;
4971
4972         if (rte_intr_dp_is_en(intr_handle)) {
4973                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4974                         ret = hns3_bind_ring_with_vector(hw,
4975                                         intr_handle->intr_vec[q_id], true,
4976                                         HNS3_RING_TYPE_RX, q_id);
4977                         if (ret)
4978                                 return ret;
4979                 }
4980         }
4981
4982         return 0;
4983 }
4984
4985 static void
4986 hns3_restore_filter(struct rte_eth_dev *dev)
4987 {
4988         hns3_restore_rss_filter(dev);
4989 }
4990
4991 static int
4992 hns3_dev_start(struct rte_eth_dev *dev)
4993 {
4994         struct hns3_adapter *hns = dev->data->dev_private;
4995         struct hns3_hw *hw = &hns->hw;
4996         int ret;
4997
4998         PMD_INIT_FUNC_TRACE();
4999         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED))
5000                 return -EBUSY;
5001
5002         rte_spinlock_lock(&hw->lock);
5003         hw->adapter_state = HNS3_NIC_STARTING;
5004
5005         ret = hns3_do_start(hns, true);
5006         if (ret) {
5007                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5008                 rte_spinlock_unlock(&hw->lock);
5009                 return ret;
5010         }
5011         ret = hns3_map_rx_interrupt(dev);
5012         if (ret) {
5013                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5014                 rte_spinlock_unlock(&hw->lock);
5015                 return ret;
5016         }
5017
5018         /*
5019          * There are three register used to control the status of a TQP
5020          * (contains a pair of Tx queue and Rx queue) in the new version network
5021          * engine. One is used to control the enabling of Tx queue, the other is
5022          * used to control the enabling of Rx queue, and the last is the master
5023          * switch used to control the enabling of the tqp. The Tx register and
5024          * TQP register must be enabled at the same time to enable a Tx queue.
5025          * The same applies to the Rx queue. For the older network engine, this
5026          * function only refresh the enabled flag, and it is used to update the
5027          * status of queue in the dpdk framework.
5028          */
5029         ret = hns3_start_all_txqs(dev);
5030         if (ret) {
5031                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5032                 rte_spinlock_unlock(&hw->lock);
5033                 return ret;
5034         }
5035
5036         ret = hns3_start_all_rxqs(dev);
5037         if (ret) {
5038                 hns3_stop_all_txqs(dev);
5039                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5040                 rte_spinlock_unlock(&hw->lock);
5041                 return ret;
5042         }
5043
5044         hw->adapter_state = HNS3_NIC_STARTED;
5045         rte_spinlock_unlock(&hw->lock);
5046
5047         hns3_rx_scattered_calc(dev);
5048         hns3_set_rxtx_function(dev);
5049         hns3_mp_req_start_rxtx(dev);
5050         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, dev);
5051
5052         hns3_restore_filter(dev);
5053
5054         /* Enable interrupt of all rx queues before enabling queues */
5055         hns3_dev_all_rx_queue_intr_enable(hw, true);
5056
5057         /*
5058          * After finished the initialization, enable tqps to receive/transmit
5059          * packets and refresh all queue status.
5060          */
5061         hns3_start_tqps(hw);
5062
5063         hns3_tm_dev_start_proc(hw);
5064
5065         hns3_info(hw, "hns3 dev start successful!");
5066         return 0;
5067 }
5068
5069 static int
5070 hns3_do_stop(struct hns3_adapter *hns)
5071 {
5072         struct hns3_hw *hw = &hns->hw;
5073         int ret;
5074
5075         ret = hns3_cfg_mac_mode(hw, false);
5076         if (ret)
5077                 return ret;
5078         hw->mac.link_status = ETH_LINK_DOWN;
5079
5080         if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0) {
5081                 hns3_configure_all_mac_addr(hns, true);
5082                 ret = hns3_reset_all_tqps(hns);
5083                 if (ret) {
5084                         hns3_err(hw, "failed to reset all queues ret = %d.",
5085                                  ret);
5086                         return ret;
5087                 }
5088         }
5089         hw->mac.default_addr_setted = false;
5090         return 0;
5091 }
5092
5093 static void
5094 hns3_unmap_rx_interrupt(struct rte_eth_dev *dev)
5095 {
5096         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5097         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5098         struct hns3_adapter *hns = dev->data->dev_private;
5099         struct hns3_hw *hw = &hns->hw;
5100         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
5101         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
5102         uint16_t q_id;
5103
5104         if (dev->data->dev_conf.intr_conf.rxq == 0)
5105                 return;
5106
5107         /* unmap the ring with vector */
5108         if (rte_intr_allow_others(intr_handle)) {
5109                 vec = RTE_INTR_VEC_RXTX_OFFSET;
5110                 base = RTE_INTR_VEC_RXTX_OFFSET;
5111         }
5112         if (rte_intr_dp_is_en(intr_handle)) {
5113                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
5114                         (void)hns3_bind_ring_with_vector(hw, vec, false,
5115                                                          HNS3_RING_TYPE_RX,
5116                                                          q_id);
5117                         if (vec < base + intr_handle->nb_efd - 1)
5118                                 vec++;
5119                 }
5120         }
5121         /* Clean datapath event and queue/vec mapping */
5122         rte_intr_efd_disable(intr_handle);
5123         if (intr_handle->intr_vec) {
5124                 rte_free(intr_handle->intr_vec);
5125                 intr_handle->intr_vec = NULL;
5126         }
5127 }
5128
5129 static int
5130 hns3_dev_stop(struct rte_eth_dev *dev)
5131 {
5132         struct hns3_adapter *hns = dev->data->dev_private;
5133         struct hns3_hw *hw = &hns->hw;
5134
5135         PMD_INIT_FUNC_TRACE();
5136         dev->data->dev_started = 0;
5137
5138         hw->adapter_state = HNS3_NIC_STOPPING;
5139         hns3_set_rxtx_function(dev);
5140         rte_wmb();
5141         /* Disable datapath on secondary process. */
5142         hns3_mp_req_stop_rxtx(dev);
5143         /* Prevent crashes when queues are still in use. */
5144         rte_delay_ms(hw->tqps_num);
5145
5146         rte_spinlock_lock(&hw->lock);
5147         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
5148                 hns3_tm_dev_stop_proc(hw);
5149                 hns3_stop_tqps(hw);
5150                 hns3_do_stop(hns);
5151                 hns3_unmap_rx_interrupt(dev);
5152                 hns3_dev_release_mbufs(hns);
5153                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5154         }
5155         hns3_rx_scattered_reset(dev);
5156         rte_eal_alarm_cancel(hns3_service_handler, dev);
5157         rte_spinlock_unlock(&hw->lock);
5158
5159         return 0;
5160 }
5161
5162 static int
5163 hns3_dev_close(struct rte_eth_dev *eth_dev)
5164 {
5165         struct hns3_adapter *hns = eth_dev->data->dev_private;
5166         struct hns3_hw *hw = &hns->hw;
5167         int ret = 0;
5168
5169         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
5170                 rte_free(eth_dev->process_private);
5171                 eth_dev->process_private = NULL;
5172                 return 0;
5173         }
5174
5175         if (hw->adapter_state == HNS3_NIC_STARTED)
5176                 ret = hns3_dev_stop(eth_dev);
5177
5178         hw->adapter_state = HNS3_NIC_CLOSING;
5179         hns3_reset_abort(hns);
5180         hw->adapter_state = HNS3_NIC_CLOSED;
5181
5182         hns3_configure_all_mc_mac_addr(hns, true);
5183         hns3_remove_all_vlan_table(hns);
5184         hns3_vlan_txvlan_cfg(hns, HNS3_PORT_BASE_VLAN_DISABLE, 0);
5185         hns3_uninit_pf(eth_dev);
5186         hns3_free_all_queues(eth_dev);
5187         rte_free(hw->reset.wait_data);
5188         rte_free(eth_dev->process_private);
5189         eth_dev->process_private = NULL;
5190         hns3_mp_uninit_primary();
5191         hns3_warn(hw, "Close port %u finished", hw->data->port_id);
5192
5193         return ret;
5194 }
5195
5196 static int
5197 hns3_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
5198 {
5199         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5200         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5201
5202         fc_conf->pause_time = pf->pause_time;
5203
5204         /* return fc current mode */
5205         switch (hw->current_mode) {
5206         case HNS3_FC_FULL:
5207                 fc_conf->mode = RTE_FC_FULL;
5208                 break;
5209         case HNS3_FC_TX_PAUSE:
5210                 fc_conf->mode = RTE_FC_TX_PAUSE;
5211                 break;
5212         case HNS3_FC_RX_PAUSE:
5213                 fc_conf->mode = RTE_FC_RX_PAUSE;
5214                 break;
5215         case HNS3_FC_NONE:
5216         default:
5217                 fc_conf->mode = RTE_FC_NONE;
5218                 break;
5219         }
5220
5221         return 0;
5222 }
5223
5224 static void
5225 hns3_get_fc_mode(struct hns3_hw *hw, enum rte_eth_fc_mode mode)
5226 {
5227         switch (mode) {
5228         case RTE_FC_NONE:
5229                 hw->requested_mode = HNS3_FC_NONE;
5230                 break;
5231         case RTE_FC_RX_PAUSE:
5232                 hw->requested_mode = HNS3_FC_RX_PAUSE;
5233                 break;
5234         case RTE_FC_TX_PAUSE:
5235                 hw->requested_mode = HNS3_FC_TX_PAUSE;
5236                 break;
5237         case RTE_FC_FULL:
5238                 hw->requested_mode = HNS3_FC_FULL;
5239                 break;
5240         default:
5241                 hw->requested_mode = HNS3_FC_NONE;
5242                 hns3_warn(hw, "fc_mode(%u) exceeds member scope and is "
5243                           "configured to RTE_FC_NONE", mode);
5244                 break;
5245         }
5246 }
5247
5248 static int
5249 hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
5250 {
5251         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5252         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5253         int ret;
5254
5255         if (fc_conf->high_water || fc_conf->low_water ||
5256             fc_conf->send_xon || fc_conf->mac_ctrl_frame_fwd) {
5257                 hns3_err(hw, "Unsupported flow control settings specified, "
5258                          "high_water(%u), low_water(%u), send_xon(%u) and "
5259                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
5260                          fc_conf->high_water, fc_conf->low_water,
5261                          fc_conf->send_xon, fc_conf->mac_ctrl_frame_fwd);
5262                 return -EINVAL;
5263         }
5264         if (fc_conf->autoneg) {
5265                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
5266                 return -EINVAL;
5267         }
5268         if (!fc_conf->pause_time) {
5269                 hns3_err(hw, "Invalid pause time %u setting.",
5270                          fc_conf->pause_time);
5271                 return -EINVAL;
5272         }
5273
5274         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
5275             hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE)) {
5276                 hns3_err(hw, "PFC is enabled. Cannot set MAC pause. "
5277                          "current_fc_status = %d", hw->current_fc_status);
5278                 return -EOPNOTSUPP;
5279         }
5280
5281         hns3_get_fc_mode(hw, fc_conf->mode);
5282         if (hw->requested_mode == hw->current_mode &&
5283             pf->pause_time == fc_conf->pause_time)
5284                 return 0;
5285
5286         rte_spinlock_lock(&hw->lock);
5287         ret = hns3_fc_enable(dev, fc_conf);
5288         rte_spinlock_unlock(&hw->lock);
5289
5290         return ret;
5291 }
5292
5293 static int
5294 hns3_priority_flow_ctrl_set(struct rte_eth_dev *dev,
5295                             struct rte_eth_pfc_conf *pfc_conf)
5296 {
5297         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5298         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5299         uint8_t priority;
5300         int ret;
5301
5302         if (!hns3_dev_dcb_supported(hw)) {
5303                 hns3_err(hw, "This port does not support dcb configurations.");
5304                 return -EOPNOTSUPP;
5305         }
5306
5307         if (pfc_conf->fc.high_water || pfc_conf->fc.low_water ||
5308             pfc_conf->fc.send_xon || pfc_conf->fc.mac_ctrl_frame_fwd) {
5309                 hns3_err(hw, "Unsupported flow control settings specified, "
5310                          "high_water(%u), low_water(%u), send_xon(%u) and "
5311                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
5312                          pfc_conf->fc.high_water, pfc_conf->fc.low_water,
5313                          pfc_conf->fc.send_xon,
5314                          pfc_conf->fc.mac_ctrl_frame_fwd);
5315                 return -EINVAL;
5316         }
5317         if (pfc_conf->fc.autoneg) {
5318                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
5319                 return -EINVAL;
5320         }
5321         if (pfc_conf->fc.pause_time == 0) {
5322                 hns3_err(hw, "Invalid pause time %u setting.",
5323                          pfc_conf->fc.pause_time);
5324                 return -EINVAL;
5325         }
5326
5327         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
5328             hw->current_fc_status == HNS3_FC_STATUS_PFC)) {
5329                 hns3_err(hw, "MAC pause is enabled. Cannot set PFC."
5330                              "current_fc_status = %d", hw->current_fc_status);
5331                 return -EOPNOTSUPP;
5332         }
5333
5334         priority = pfc_conf->priority;
5335         hns3_get_fc_mode(hw, pfc_conf->fc.mode);
5336         if (hw->dcb_info.pfc_en & BIT(priority) &&
5337             hw->requested_mode == hw->current_mode &&
5338             pfc_conf->fc.pause_time == pf->pause_time)
5339                 return 0;
5340
5341         rte_spinlock_lock(&hw->lock);
5342         ret = hns3_dcb_pfc_enable(dev, pfc_conf);
5343         rte_spinlock_unlock(&hw->lock);
5344
5345         return ret;
5346 }
5347
5348 static int
5349 hns3_get_dcb_info(struct rte_eth_dev *dev, struct rte_eth_dcb_info *dcb_info)
5350 {
5351         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5352         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5353         enum rte_eth_rx_mq_mode mq_mode = dev->data->dev_conf.rxmode.mq_mode;
5354         int i;
5355
5356         rte_spinlock_lock(&hw->lock);
5357         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG)
5358                 dcb_info->nb_tcs = pf->local_max_tc;
5359         else
5360                 dcb_info->nb_tcs = 1;
5361
5362         for (i = 0; i < HNS3_MAX_USER_PRIO; i++)
5363                 dcb_info->prio_tc[i] = hw->dcb_info.prio_tc[i];
5364         for (i = 0; i < dcb_info->nb_tcs; i++)
5365                 dcb_info->tc_bws[i] = hw->dcb_info.pg_info[0].tc_dwrr[i];
5366
5367         for (i = 0; i < hw->num_tc; i++) {
5368                 dcb_info->tc_queue.tc_rxq[0][i].base = hw->alloc_rss_size * i;
5369                 dcb_info->tc_queue.tc_txq[0][i].base =
5370                                                 hw->tc_queue[i].tqp_offset;
5371                 dcb_info->tc_queue.tc_rxq[0][i].nb_queue = hw->alloc_rss_size;
5372                 dcb_info->tc_queue.tc_txq[0][i].nb_queue =
5373                                                 hw->tc_queue[i].tqp_count;
5374         }
5375         rte_spinlock_unlock(&hw->lock);
5376
5377         return 0;
5378 }
5379
5380 static int
5381 hns3_reinit_dev(struct hns3_adapter *hns)
5382 {
5383         struct hns3_hw *hw = &hns->hw;
5384         int ret;
5385
5386         ret = hns3_cmd_init(hw);
5387         if (ret) {
5388                 hns3_err(hw, "Failed to init cmd: %d", ret);
5389                 return ret;
5390         }
5391
5392         ret = hns3_reset_all_tqps(hns);
5393         if (ret) {
5394                 hns3_err(hw, "Failed to reset all queues: %d", ret);
5395                 return ret;
5396         }
5397
5398         ret = hns3_init_hardware(hns);
5399         if (ret) {
5400                 hns3_err(hw, "Failed to init hardware: %d", ret);
5401                 return ret;
5402         }
5403
5404         ret = hns3_enable_hw_error_intr(hns, true);
5405         if (ret) {
5406                 hns3_err(hw, "fail to enable hw error interrupts: %d",
5407                              ret);
5408                 return ret;
5409         }
5410         hns3_info(hw, "Reset done, driver initialization finished.");
5411
5412         return 0;
5413 }
5414
5415 static bool
5416 is_pf_reset_done(struct hns3_hw *hw)
5417 {
5418         uint32_t val, reg, reg_bit;
5419
5420         switch (hw->reset.level) {
5421         case HNS3_IMP_RESET:
5422                 reg = HNS3_GLOBAL_RESET_REG;
5423                 reg_bit = HNS3_IMP_RESET_BIT;
5424                 break;
5425         case HNS3_GLOBAL_RESET:
5426                 reg = HNS3_GLOBAL_RESET_REG;
5427                 reg_bit = HNS3_GLOBAL_RESET_BIT;
5428                 break;
5429         case HNS3_FUNC_RESET:
5430                 reg = HNS3_FUN_RST_ING;
5431                 reg_bit = HNS3_FUN_RST_ING_B;
5432                 break;
5433         case HNS3_FLR_RESET:
5434         default:
5435                 hns3_err(hw, "Wait for unsupported reset level: %d",
5436                          hw->reset.level);
5437                 return true;
5438         }
5439         val = hns3_read_dev(hw, reg);
5440         if (hns3_get_bit(val, reg_bit))
5441                 return false;
5442         else
5443                 return true;
5444 }
5445
5446 bool
5447 hns3_is_reset_pending(struct hns3_adapter *hns)
5448 {
5449         struct hns3_hw *hw = &hns->hw;
5450         enum hns3_reset_level reset;
5451
5452         hns3_check_event_cause(hns, NULL);
5453         reset = hns3_get_reset_level(hns, &hw->reset.pending);
5454         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
5455                 hns3_warn(hw, "High level reset %d is pending", reset);
5456                 return true;
5457         }
5458         reset = hns3_get_reset_level(hns, &hw->reset.request);
5459         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
5460                 hns3_warn(hw, "High level reset %d is request", reset);
5461                 return true;
5462         }
5463         return false;
5464 }
5465
5466 static int
5467 hns3_wait_hardware_ready(struct hns3_adapter *hns)
5468 {
5469         struct hns3_hw *hw = &hns->hw;
5470         struct hns3_wait_data *wait_data = hw->reset.wait_data;
5471         struct timeval tv;
5472
5473         if (wait_data->result == HNS3_WAIT_SUCCESS)
5474                 return 0;
5475         else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
5476                 gettimeofday(&tv, NULL);
5477                 hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
5478                           tv.tv_sec, tv.tv_usec);
5479                 return -ETIME;
5480         } else if (wait_data->result == HNS3_WAIT_REQUEST)
5481                 return -EAGAIN;
5482
5483         wait_data->hns = hns;
5484         wait_data->check_completion = is_pf_reset_done;
5485         wait_data->end_ms = (uint64_t)HNS3_RESET_WAIT_CNT *
5486                                       HNS3_RESET_WAIT_MS + get_timeofday_ms();
5487         wait_data->interval = HNS3_RESET_WAIT_MS * USEC_PER_MSEC;
5488         wait_data->count = HNS3_RESET_WAIT_CNT;
5489         wait_data->result = HNS3_WAIT_REQUEST;
5490         rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
5491         return -EAGAIN;
5492 }
5493
5494 static int
5495 hns3_func_reset_cmd(struct hns3_hw *hw, int func_id)
5496 {
5497         struct hns3_cmd_desc desc;
5498         struct hns3_reset_cmd *req = (struct hns3_reset_cmd *)desc.data;
5499
5500         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_RST_TRIGGER, false);
5501         hns3_set_bit(req->mac_func_reset, HNS3_CFG_RESET_FUNC_B, 1);
5502         req->fun_reset_vfid = func_id;
5503
5504         return hns3_cmd_send(hw, &desc, 1);
5505 }
5506
5507 static int
5508 hns3_imp_reset_cmd(struct hns3_hw *hw)
5509 {
5510         struct hns3_cmd_desc desc;
5511
5512         hns3_cmd_setup_basic_desc(&desc, 0xFFFE, false);
5513         desc.data[0] = 0xeedd;
5514
5515         return hns3_cmd_send(hw, &desc, 1);
5516 }
5517
5518 static void
5519 hns3_msix_process(struct hns3_adapter *hns, enum hns3_reset_level reset_level)
5520 {
5521         struct hns3_hw *hw = &hns->hw;
5522         struct timeval tv;
5523         uint32_t val;
5524
5525         gettimeofday(&tv, NULL);
5526         if (hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG) ||
5527             hns3_read_dev(hw, HNS3_FUN_RST_ING)) {
5528                 hns3_warn(hw, "Don't process msix during resetting time=%ld.%.6ld",
5529                           tv.tv_sec, tv.tv_usec);
5530                 return;
5531         }
5532
5533         switch (reset_level) {
5534         case HNS3_IMP_RESET:
5535                 hns3_imp_reset_cmd(hw);
5536                 hns3_warn(hw, "IMP Reset requested time=%ld.%.6ld",
5537                           tv.tv_sec, tv.tv_usec);
5538                 break;
5539         case HNS3_GLOBAL_RESET:
5540                 val = hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG);
5541                 hns3_set_bit(val, HNS3_GLOBAL_RESET_BIT, 1);
5542                 hns3_write_dev(hw, HNS3_GLOBAL_RESET_REG, val);
5543                 hns3_warn(hw, "Global Reset requested time=%ld.%.6ld",
5544                           tv.tv_sec, tv.tv_usec);
5545                 break;
5546         case HNS3_FUNC_RESET:
5547                 hns3_warn(hw, "PF Reset requested time=%ld.%.6ld",
5548                           tv.tv_sec, tv.tv_usec);
5549                 /* schedule again to check later */
5550                 hns3_atomic_set_bit(HNS3_FUNC_RESET, &hw->reset.pending);
5551                 hns3_schedule_reset(hns);
5552                 break;
5553         default:
5554                 hns3_warn(hw, "Unsupported reset level: %d", reset_level);
5555                 return;
5556         }
5557         hns3_atomic_clear_bit(reset_level, &hw->reset.request);
5558 }
5559
5560 static enum hns3_reset_level
5561 hns3_get_reset_level(struct hns3_adapter *hns, uint64_t *levels)
5562 {
5563         struct hns3_hw *hw = &hns->hw;
5564         enum hns3_reset_level reset_level = HNS3_NONE_RESET;
5565
5566         /* Return the highest priority reset level amongst all */
5567         if (hns3_atomic_test_bit(HNS3_IMP_RESET, levels))
5568                 reset_level = HNS3_IMP_RESET;
5569         else if (hns3_atomic_test_bit(HNS3_GLOBAL_RESET, levels))
5570                 reset_level = HNS3_GLOBAL_RESET;
5571         else if (hns3_atomic_test_bit(HNS3_FUNC_RESET, levels))
5572                 reset_level = HNS3_FUNC_RESET;
5573         else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
5574                 reset_level = HNS3_FLR_RESET;
5575
5576         if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
5577                 return HNS3_NONE_RESET;
5578
5579         return reset_level;
5580 }
5581
5582 static void
5583 hns3_record_imp_error(struct hns3_adapter *hns)
5584 {
5585         struct hns3_hw *hw = &hns->hw;
5586         uint32_t reg_val;
5587
5588         reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
5589         if (hns3_get_bit(reg_val, HNS3_VECTOR0_IMP_RD_POISON_B)) {
5590                 hns3_warn(hw, "Detected IMP RD poison!");
5591                 hns3_error_int_stats_add(hns, "IMP_RD_POISON_INT_STS");
5592                 hns3_set_bit(reg_val, HNS3_VECTOR0_IMP_RD_POISON_B, 0);
5593                 hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val);
5594         }
5595
5596         if (hns3_get_bit(reg_val, HNS3_VECTOR0_IMP_CMDQ_ERR_B)) {
5597                 hns3_warn(hw, "Detected IMP CMDQ error!");
5598                 hns3_error_int_stats_add(hns, "CMDQ_MEM_ECC_INT_STS");
5599                 hns3_set_bit(reg_val, HNS3_VECTOR0_IMP_CMDQ_ERR_B, 0);
5600                 hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val);
5601         }
5602 }
5603
5604 static int
5605 hns3_prepare_reset(struct hns3_adapter *hns)
5606 {
5607         struct hns3_hw *hw = &hns->hw;
5608         uint32_t reg_val;
5609         int ret;
5610
5611         switch (hw->reset.level) {
5612         case HNS3_FUNC_RESET:
5613                 ret = hns3_func_reset_cmd(hw, HNS3_PF_FUNC_ID);
5614                 if (ret)
5615                         return ret;
5616
5617                 /*
5618                  * After performaning pf reset, it is not necessary to do the
5619                  * mailbox handling or send any command to firmware, because
5620                  * any mailbox handling or command to firmware is only valid
5621                  * after hns3_cmd_init is called.
5622                  */
5623                 __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
5624                 hw->reset.stats.request_cnt++;
5625                 break;
5626         case HNS3_IMP_RESET:
5627                 hns3_record_imp_error(hns);
5628                 reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
5629                 hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val |
5630                                BIT(HNS3_VECTOR0_IMP_RESET_INT_B));
5631                 break;
5632         default:
5633                 break;
5634         }
5635         return 0;
5636 }
5637
5638 static int
5639 hns3_set_rst_done(struct hns3_hw *hw)
5640 {
5641         struct hns3_pf_rst_done_cmd *req;
5642         struct hns3_cmd_desc desc;
5643
5644         req = (struct hns3_pf_rst_done_cmd *)desc.data;
5645         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_PF_RST_DONE, false);
5646         req->pf_rst_done |= HNS3_PF_RESET_DONE_BIT;
5647         return hns3_cmd_send(hw, &desc, 1);
5648 }
5649
5650 static int
5651 hns3_stop_service(struct hns3_adapter *hns)
5652 {
5653         struct hns3_hw *hw = &hns->hw;
5654         struct rte_eth_dev *eth_dev;
5655
5656         eth_dev = &rte_eth_devices[hw->data->port_id];
5657         if (hw->adapter_state == HNS3_NIC_STARTED) {
5658                 rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
5659                 hns3_update_link_status_and_event(hw);
5660         }
5661         hw->mac.link_status = ETH_LINK_DOWN;
5662
5663         hns3_set_rxtx_function(eth_dev);
5664         rte_wmb();
5665         /* Disable datapath on secondary process. */
5666         hns3_mp_req_stop_rxtx(eth_dev);
5667         rte_delay_ms(hw->tqps_num);
5668
5669         rte_spinlock_lock(&hw->lock);
5670         if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
5671             hw->adapter_state == HNS3_NIC_STOPPING) {
5672                 hns3_enable_all_queues(hw, false);
5673                 hns3_do_stop(hns);
5674                 hw->reset.mbuf_deferred_free = true;
5675         } else
5676                 hw->reset.mbuf_deferred_free = false;
5677
5678         /*
5679          * It is cumbersome for hardware to pick-and-choose entries for deletion
5680          * from table space. Hence, for function reset software intervention is
5681          * required to delete the entries
5682          */
5683         if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0)
5684                 hns3_configure_all_mc_mac_addr(hns, true);
5685         rte_spinlock_unlock(&hw->lock);
5686
5687         return 0;
5688 }
5689
5690 static int
5691 hns3_start_service(struct hns3_adapter *hns)
5692 {
5693         struct hns3_hw *hw = &hns->hw;
5694         struct rte_eth_dev *eth_dev;
5695
5696         if (hw->reset.level == HNS3_IMP_RESET ||
5697             hw->reset.level == HNS3_GLOBAL_RESET)
5698                 hns3_set_rst_done(hw);
5699         eth_dev = &rte_eth_devices[hw->data->port_id];
5700         hns3_set_rxtx_function(eth_dev);
5701         hns3_mp_req_start_rxtx(eth_dev);
5702         if (hw->adapter_state == HNS3_NIC_STARTED) {
5703                 /*
5704                  * This API parent function already hold the hns3_hw.lock, the
5705                  * hns3_service_handler may report lse, in bonding application
5706                  * it will call driver's ops which may acquire the hns3_hw.lock
5707                  * again, thus lead to deadlock.
5708                  * We defer calls hns3_service_handler to avoid the deadlock.
5709                  */
5710                 rte_eal_alarm_set(HNS3_SERVICE_QUICK_INTERVAL,
5711                                   hns3_service_handler, eth_dev);
5712
5713                 /* Enable interrupt of all rx queues before enabling queues */
5714                 hns3_dev_all_rx_queue_intr_enable(hw, true);
5715                 /*
5716                  * Enable state of each rxq and txq will be recovered after
5717                  * reset, so we need to restore them before enable all tqps;
5718                  */
5719                 hns3_restore_tqp_enable_state(hw);
5720                 /*
5721                  * When finished the initialization, enable queues to receive
5722                  * and transmit packets.
5723                  */
5724                 hns3_enable_all_queues(hw, true);
5725         }
5726
5727         return 0;
5728 }
5729
5730 static int
5731 hns3_restore_conf(struct hns3_adapter *hns)
5732 {
5733         struct hns3_hw *hw = &hns->hw;
5734         int ret;
5735
5736         ret = hns3_configure_all_mac_addr(hns, false);
5737         if (ret)
5738                 return ret;
5739
5740         ret = hns3_configure_all_mc_mac_addr(hns, false);
5741         if (ret)
5742                 goto err_mc_mac;
5743
5744         ret = hns3_dev_promisc_restore(hns);
5745         if (ret)
5746                 goto err_promisc;
5747
5748         ret = hns3_restore_vlan_table(hns);
5749         if (ret)
5750                 goto err_promisc;
5751
5752         ret = hns3_restore_vlan_conf(hns);
5753         if (ret)
5754                 goto err_promisc;
5755
5756         ret = hns3_restore_all_fdir_filter(hns);
5757         if (ret)
5758                 goto err_promisc;
5759
5760         ret = hns3_restore_rx_interrupt(hw);
5761         if (ret)
5762                 goto err_promisc;
5763
5764         ret = hns3_restore_gro_conf(hw);
5765         if (ret)
5766                 goto err_promisc;
5767
5768         ret = hns3_restore_fec(hw);
5769         if (ret)
5770                 goto err_promisc;
5771
5772         if (hns->hw.adapter_state == HNS3_NIC_STARTED) {
5773                 ret = hns3_do_start(hns, false);
5774                 if (ret)
5775                         goto err_promisc;
5776                 hns3_info(hw, "hns3 dev restart successful!");
5777         } else if (hw->adapter_state == HNS3_NIC_STOPPING)
5778                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5779         return 0;
5780
5781 err_promisc:
5782         hns3_configure_all_mc_mac_addr(hns, true);
5783 err_mc_mac:
5784         hns3_configure_all_mac_addr(hns, true);
5785         return ret;
5786 }
5787
5788 static void
5789 hns3_reset_service(void *param)
5790 {
5791         struct hns3_adapter *hns = (struct hns3_adapter *)param;
5792         struct hns3_hw *hw = &hns->hw;
5793         enum hns3_reset_level reset_level;
5794         struct timeval tv_delta;
5795         struct timeval tv_start;
5796         struct timeval tv;
5797         uint64_t msec;
5798         int ret;
5799
5800         /*
5801          * The interrupt is not triggered within the delay time.
5802          * The interrupt may have been lost. It is necessary to handle
5803          * the interrupt to recover from the error.
5804          */
5805         if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
5806                             SCHEDULE_DEFERRED) {
5807                 __atomic_store_n(&hw->reset.schedule, SCHEDULE_REQUESTED,
5808                                   __ATOMIC_RELAXED);
5809                 hns3_err(hw, "Handling interrupts in delayed tasks");
5810                 hns3_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
5811                 reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5812                 if (reset_level == HNS3_NONE_RESET) {
5813                         hns3_err(hw, "No reset level is set, try IMP reset");
5814                         hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
5815                 }
5816         }
5817         __atomic_store_n(&hw->reset.schedule, SCHEDULE_NONE, __ATOMIC_RELAXED);
5818
5819         /*
5820          * Check if there is any ongoing reset in the hardware. This status can
5821          * be checked from reset_pending. If there is then, we need to wait for
5822          * hardware to complete reset.
5823          *    a. If we are able to figure out in reasonable time that hardware
5824          *       has fully resetted then, we can proceed with driver, client
5825          *       reset.
5826          *    b. else, we can come back later to check this status so re-sched
5827          *       now.
5828          */
5829         reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5830         if (reset_level != HNS3_NONE_RESET) {
5831                 gettimeofday(&tv_start, NULL);
5832                 ret = hns3_reset_process(hns, reset_level);
5833                 gettimeofday(&tv, NULL);
5834                 timersub(&tv, &tv_start, &tv_delta);
5835                 msec = tv_delta.tv_sec * MSEC_PER_SEC +
5836                        tv_delta.tv_usec / USEC_PER_MSEC;
5837                 if (msec > HNS3_RESET_PROCESS_MS)
5838                         hns3_err(hw, "%d handle long time delta %" PRIx64
5839                                      " ms time=%ld.%.6ld",
5840                                  hw->reset.level, msec,
5841                                  tv.tv_sec, tv.tv_usec);
5842                 if (ret == -EAGAIN)
5843                         return;
5844         }
5845
5846         /* Check if we got any *new* reset requests to be honored */
5847         reset_level = hns3_get_reset_level(hns, &hw->reset.request);
5848         if (reset_level != HNS3_NONE_RESET)
5849                 hns3_msix_process(hns, reset_level);
5850 }
5851
5852 static unsigned int
5853 hns3_get_speed_capa_num(uint16_t device_id)
5854 {
5855         unsigned int num;
5856
5857         switch (device_id) {
5858         case HNS3_DEV_ID_25GE:
5859         case HNS3_DEV_ID_25GE_RDMA:
5860                 num = 2;
5861                 break;
5862         case HNS3_DEV_ID_100G_RDMA_MACSEC:
5863         case HNS3_DEV_ID_200G_RDMA:
5864                 num = 1;
5865                 break;
5866         default:
5867                 num = 0;
5868                 break;
5869         }
5870
5871         return num;
5872 }
5873
5874 static int
5875 hns3_get_speed_fec_capa(struct rte_eth_fec_capa *speed_fec_capa,
5876                         uint16_t device_id)
5877 {
5878         switch (device_id) {
5879         case HNS3_DEV_ID_25GE:
5880         /* fallthrough */
5881         case HNS3_DEV_ID_25GE_RDMA:
5882                 speed_fec_capa[0].speed = speed_fec_capa_tbl[1].speed;
5883                 speed_fec_capa[0].capa = speed_fec_capa_tbl[1].capa;
5884
5885                 /* In HNS3 device, the 25G NIC is compatible with 10G rate */
5886                 speed_fec_capa[1].speed = speed_fec_capa_tbl[0].speed;
5887                 speed_fec_capa[1].capa = speed_fec_capa_tbl[0].capa;
5888                 break;
5889         case HNS3_DEV_ID_100G_RDMA_MACSEC:
5890                 speed_fec_capa[0].speed = speed_fec_capa_tbl[4].speed;
5891                 speed_fec_capa[0].capa = speed_fec_capa_tbl[4].capa;
5892                 break;
5893         case HNS3_DEV_ID_200G_RDMA:
5894                 speed_fec_capa[0].speed = speed_fec_capa_tbl[5].speed;
5895                 speed_fec_capa[0].capa = speed_fec_capa_tbl[5].capa;
5896                 break;
5897         default:
5898                 return -ENOTSUP;
5899         }
5900
5901         return 0;
5902 }
5903
5904 static int
5905 hns3_fec_get_capability(struct rte_eth_dev *dev,
5906                         struct rte_eth_fec_capa *speed_fec_capa,
5907                         unsigned int num)
5908 {
5909         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5910         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5911         uint16_t device_id = pci_dev->id.device_id;
5912         unsigned int capa_num;
5913         int ret;
5914
5915         capa_num = hns3_get_speed_capa_num(device_id);
5916         if (capa_num == 0) {
5917                 hns3_err(hw, "device(0x%x) is not supported by hns3 PMD",
5918                          device_id);
5919                 return -ENOTSUP;
5920         }
5921
5922         if (speed_fec_capa == NULL || num < capa_num)
5923                 return capa_num;
5924
5925         ret = hns3_get_speed_fec_capa(speed_fec_capa, device_id);
5926         if (ret)
5927                 return -ENOTSUP;
5928
5929         return capa_num;
5930 }
5931
5932 static int
5933 get_current_fec_auto_state(struct hns3_hw *hw, uint8_t *state)
5934 {
5935         struct hns3_config_fec_cmd *req;
5936         struct hns3_cmd_desc desc;
5937         int ret;
5938
5939         /*
5940          * CMD(HNS3_OPC_CONFIG_FEC_MODE) read is not supported
5941          * in device of link speed
5942          * below 10 Gbps.
5943          */
5944         if (hw->mac.link_speed < ETH_SPEED_NUM_10G) {
5945                 *state = 0;
5946                 return 0;
5947         }
5948
5949         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_FEC_MODE, true);
5950         req = (struct hns3_config_fec_cmd *)desc.data;
5951         ret = hns3_cmd_send(hw, &desc, 1);
5952         if (ret) {
5953                 hns3_err(hw, "get current fec auto state failed, ret = %d",
5954                          ret);
5955                 return ret;
5956         }
5957
5958         *state = req->fec_mode & (1U << HNS3_MAC_CFG_FEC_AUTO_EN_B);
5959         return 0;
5960 }
5961
5962 static int
5963 hns3_fec_get_internal(struct hns3_hw *hw, uint32_t *fec_capa)
5964 {
5965 #define QUERY_ACTIVE_SPEED      1
5966         struct hns3_sfp_speed_cmd *resp;
5967         uint32_t tmp_fec_capa;
5968         uint8_t auto_state;
5969         struct hns3_cmd_desc desc;
5970         int ret;
5971
5972         /*
5973          * If link is down and AUTO is enabled, AUTO is returned, otherwise,
5974          * configured FEC mode is returned.
5975          * If link is up, current FEC mode is returned.
5976          */
5977         if (hw->mac.link_status == ETH_LINK_DOWN) {
5978                 ret = get_current_fec_auto_state(hw, &auto_state);
5979                 if (ret)
5980                         return ret;
5981
5982                 if (auto_state == 0x1) {
5983                         *fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(AUTO);
5984                         return 0;
5985                 }
5986         }
5987
5988         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
5989         resp = (struct hns3_sfp_speed_cmd *)desc.data;
5990         resp->query_type = QUERY_ACTIVE_SPEED;
5991
5992         ret = hns3_cmd_send(hw, &desc, 1);
5993         if (ret == -EOPNOTSUPP) {
5994                 hns3_err(hw, "IMP do not support get FEC, ret = %d", ret);
5995                 return ret;
5996         } else if (ret) {
5997                 hns3_err(hw, "get FEC failed, ret = %d", ret);
5998                 return ret;
5999         }
6000
6001         /*
6002          * FEC mode order defined in hns3 hardware is inconsistend with
6003          * that defined in the ethdev library. So the sequence needs
6004          * to be converted.
6005          */
6006         switch (resp->active_fec) {
6007         case HNS3_HW_FEC_MODE_NOFEC:
6008                 tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC);
6009                 break;
6010         case HNS3_HW_FEC_MODE_BASER:
6011                 tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(BASER);
6012                 break;
6013         case HNS3_HW_FEC_MODE_RS:
6014                 tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(RS);
6015                 break;
6016         default:
6017                 tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC);
6018                 break;
6019         }
6020
6021         *fec_capa = tmp_fec_capa;
6022         return 0;
6023 }
6024
6025 static int
6026 hns3_fec_get(struct rte_eth_dev *dev, uint32_t *fec_capa)
6027 {
6028         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
6029
6030         return hns3_fec_get_internal(hw, fec_capa);
6031 }
6032
6033 static int
6034 hns3_set_fec_hw(struct hns3_hw *hw, uint32_t mode)
6035 {
6036         struct hns3_config_fec_cmd *req;
6037         struct hns3_cmd_desc desc;
6038         int ret;
6039
6040         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_FEC_MODE, false);
6041
6042         req = (struct hns3_config_fec_cmd *)desc.data;
6043         switch (mode) {
6044         case RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC):
6045                 hns3_set_field(req->fec_mode, HNS3_MAC_CFG_FEC_MODE_M,
6046                                 HNS3_MAC_CFG_FEC_MODE_S, HNS3_MAC_FEC_OFF);
6047                 break;
6048         case RTE_ETH_FEC_MODE_CAPA_MASK(BASER):
6049                 hns3_set_field(req->fec_mode, HNS3_MAC_CFG_FEC_MODE_M,
6050                                 HNS3_MAC_CFG_FEC_MODE_S, HNS3_MAC_FEC_BASER);
6051                 break;
6052         case RTE_ETH_FEC_MODE_CAPA_MASK(RS):
6053                 hns3_set_field(req->fec_mode, HNS3_MAC_CFG_FEC_MODE_M,
6054                                 HNS3_MAC_CFG_FEC_MODE_S, HNS3_MAC_FEC_RS);
6055                 break;
6056         case RTE_ETH_FEC_MODE_CAPA_MASK(AUTO):
6057                 hns3_set_bit(req->fec_mode, HNS3_MAC_CFG_FEC_AUTO_EN_B, 1);
6058                 break;
6059         default:
6060                 return 0;
6061         }
6062         ret = hns3_cmd_send(hw, &desc, 1);
6063         if (ret)
6064                 hns3_err(hw, "set fec mode failed, ret = %d", ret);
6065
6066         return ret;
6067 }
6068
6069 static uint32_t
6070 get_current_speed_fec_cap(struct hns3_hw *hw, struct rte_eth_fec_capa *fec_capa)
6071 {
6072         struct hns3_mac *mac = &hw->mac;
6073         uint32_t cur_capa;
6074
6075         switch (mac->link_speed) {
6076         case ETH_SPEED_NUM_10G:
6077                 cur_capa = fec_capa[1].capa;
6078                 break;
6079         case ETH_SPEED_NUM_25G:
6080         case ETH_SPEED_NUM_100G:
6081         case ETH_SPEED_NUM_200G:
6082                 cur_capa = fec_capa[0].capa;
6083                 break;
6084         default:
6085                 cur_capa = 0;
6086                 break;
6087         }
6088
6089         return cur_capa;
6090 }
6091
6092 static bool
6093 is_fec_mode_one_bit_set(uint32_t mode)
6094 {
6095         int cnt = 0;
6096         uint8_t i;
6097
6098         for (i = 0; i < sizeof(mode); i++)
6099                 if (mode >> i & 0x1)
6100                         cnt++;
6101
6102         return cnt == 1 ? true : false;
6103 }
6104
6105 static int
6106 hns3_fec_set(struct rte_eth_dev *dev, uint32_t mode)
6107 {
6108 #define FEC_CAPA_NUM 2
6109         struct hns3_adapter *hns = dev->data->dev_private;
6110         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(hns);
6111         struct hns3_pf *pf = &hns->pf;
6112
6113         struct rte_eth_fec_capa fec_capa[FEC_CAPA_NUM];
6114         uint32_t cur_capa;
6115         uint32_t num = FEC_CAPA_NUM;
6116         int ret;
6117
6118         ret = hns3_fec_get_capability(dev, fec_capa, num);
6119         if (ret < 0)
6120                 return ret;
6121
6122         /* HNS3 PMD driver only support one bit set mode, e.g. 0x1, 0x4 */
6123         if (!is_fec_mode_one_bit_set(mode))
6124                 hns3_err(hw, "FEC mode(0x%x) not supported in HNS3 PMD,"
6125                              "FEC mode should be only one bit set", mode);
6126
6127         /*
6128          * Check whether the configured mode is within the FEC capability.
6129          * If not, the configured mode will not be supported.
6130          */
6131         cur_capa = get_current_speed_fec_cap(hw, fec_capa);
6132         if (!(cur_capa & mode)) {
6133                 hns3_err(hw, "unsupported FEC mode = 0x%x", mode);
6134                 return -EINVAL;
6135         }
6136
6137         ret = hns3_set_fec_hw(hw, mode);
6138         if (ret)
6139                 return ret;
6140
6141         pf->fec_mode = mode;
6142         return 0;
6143 }
6144
6145 static int
6146 hns3_restore_fec(struct hns3_hw *hw)
6147 {
6148         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
6149         struct hns3_pf *pf = &hns->pf;
6150         uint32_t mode = pf->fec_mode;
6151         int ret;
6152
6153         ret = hns3_set_fec_hw(hw, mode);
6154         if (ret)
6155                 hns3_err(hw, "restore fec mode(0x%x) failed, ret = %d",
6156                          mode, ret);
6157
6158         return ret;
6159 }
6160
6161 static int
6162 hns3_query_dev_fec_info(struct hns3_hw *hw)
6163 {
6164         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
6165         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(hns);
6166         int ret;
6167
6168         ret = hns3_fec_get_internal(hw, &pf->fec_mode);
6169         if (ret)
6170                 hns3_err(hw, "query device FEC info failed, ret = %d", ret);
6171
6172         return ret;
6173 }
6174
6175 static bool
6176 hns3_optical_module_existed(struct hns3_hw *hw)
6177 {
6178         struct hns3_cmd_desc desc;
6179         bool existed;
6180         int ret;
6181
6182         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_GET_SFP_EXIST, true);
6183         ret = hns3_cmd_send(hw, &desc, 1);
6184         if (ret) {
6185                 hns3_err(hw,
6186                          "fail to get optical module exist state, ret = %d.\n",
6187                          ret);
6188                 return false;
6189         }
6190         existed = !!desc.data[0];
6191
6192         return existed;
6193 }
6194
6195 static int
6196 hns3_get_module_eeprom_data(struct hns3_hw *hw, uint32_t offset,
6197                                 uint32_t len, uint8_t *data)
6198 {
6199 #define HNS3_SFP_INFO_CMD_NUM 6
6200 #define HNS3_SFP_INFO_MAX_LEN \
6201         (HNS3_SFP_INFO_BD0_LEN + \
6202         (HNS3_SFP_INFO_CMD_NUM - 1) * HNS3_SFP_INFO_BDX_LEN)
6203         struct hns3_cmd_desc desc[HNS3_SFP_INFO_CMD_NUM];
6204         struct hns3_sfp_info_bd0_cmd *sfp_info_bd0;
6205         uint16_t read_len;
6206         uint16_t copy_len;
6207         int ret;
6208         int i;
6209
6210         for (i = 0; i < HNS3_SFP_INFO_CMD_NUM; i++) {
6211                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_GET_SFP_EEPROM,
6212                                           true);
6213                 if (i < HNS3_SFP_INFO_CMD_NUM - 1)
6214                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
6215         }
6216
6217         sfp_info_bd0 = (struct hns3_sfp_info_bd0_cmd *)desc[0].data;
6218         sfp_info_bd0->offset = rte_cpu_to_le_16((uint16_t)offset);
6219         read_len = RTE_MIN(len, HNS3_SFP_INFO_MAX_LEN);
6220         sfp_info_bd0->read_len = rte_cpu_to_le_16((uint16_t)read_len);
6221
6222         ret = hns3_cmd_send(hw, desc, HNS3_SFP_INFO_CMD_NUM);
6223         if (ret) {
6224                 hns3_err(hw, "fail to get module EEPROM info, ret = %d.\n",
6225                                 ret);
6226                 return ret;
6227         }
6228
6229         /* The data format in BD0 is different with the others. */
6230         copy_len = RTE_MIN(len, HNS3_SFP_INFO_BD0_LEN);
6231         memcpy(data, sfp_info_bd0->data, copy_len);
6232         read_len = copy_len;
6233
6234         for (i = 1; i < HNS3_SFP_INFO_CMD_NUM; i++) {
6235                 if (read_len >= len)
6236                         break;
6237
6238                 copy_len = RTE_MIN(len - read_len, HNS3_SFP_INFO_BDX_LEN);
6239                 memcpy(data + read_len, desc[i].data, copy_len);
6240                 read_len += copy_len;
6241         }
6242
6243         return (int)read_len;
6244 }
6245
6246 static int
6247 hns3_get_module_eeprom(struct rte_eth_dev *dev,
6248                        struct rte_dev_eeprom_info *info)
6249 {
6250         struct hns3_adapter *hns = dev->data->dev_private;
6251         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(hns);
6252         uint32_t offset = info->offset;
6253         uint32_t len = info->length;
6254         uint8_t *data = info->data;
6255         uint32_t read_len = 0;
6256
6257         if (hw->mac.media_type != HNS3_MEDIA_TYPE_FIBER)
6258                 return -ENOTSUP;
6259
6260         if (!hns3_optical_module_existed(hw)) {
6261                 hns3_err(hw, "fail to read module EEPROM: no module is connected.\n");
6262                 return -EIO;
6263         }
6264
6265         while (read_len < len) {
6266                 int ret;
6267                 ret = hns3_get_module_eeprom_data(hw, offset + read_len,
6268                                                   len - read_len,
6269                                                   data + read_len);
6270                 if (ret < 0)
6271                         return -EIO;
6272                 read_len += ret;
6273         }
6274
6275         return 0;
6276 }
6277
6278 static int
6279 hns3_get_module_info(struct rte_eth_dev *dev,
6280                      struct rte_eth_dev_module_info *modinfo)
6281 {
6282 #define HNS3_SFF8024_ID_SFP             0x03
6283 #define HNS3_SFF8024_ID_QSFP_8438       0x0c
6284 #define HNS3_SFF8024_ID_QSFP_8436_8636  0x0d
6285 #define HNS3_SFF8024_ID_QSFP28_8636     0x11
6286 #define HNS3_SFF_8636_V1_3              0x03
6287         struct hns3_adapter *hns = dev->data->dev_private;
6288         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(hns);
6289         struct rte_dev_eeprom_info info;
6290         struct hns3_sfp_type sfp_type;
6291         int ret;
6292
6293         memset(&sfp_type, 0, sizeof(sfp_type));
6294         memset(&info, 0, sizeof(info));
6295         info.data = (uint8_t *)&sfp_type;
6296         info.length = sizeof(sfp_type);
6297         ret = hns3_get_module_eeprom(dev, &info);
6298         if (ret)
6299                 return ret;
6300
6301         switch (sfp_type.type) {
6302         case HNS3_SFF8024_ID_SFP:
6303                 modinfo->type = RTE_ETH_MODULE_SFF_8472;
6304                 modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8472_LEN;
6305                 break;
6306         case HNS3_SFF8024_ID_QSFP_8438:
6307                 modinfo->type = RTE_ETH_MODULE_SFF_8436;
6308                 modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8436_MAX_LEN;
6309                 break;
6310         case HNS3_SFF8024_ID_QSFP_8436_8636:
6311                 if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) {
6312                         modinfo->type = RTE_ETH_MODULE_SFF_8436;
6313                         modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8436_MAX_LEN;
6314                 } else {
6315                         modinfo->type = RTE_ETH_MODULE_SFF_8636;
6316                         modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8636_MAX_LEN;
6317                 }
6318                 break;
6319         case HNS3_SFF8024_ID_QSFP28_8636:
6320                 modinfo->type = RTE_ETH_MODULE_SFF_8636;
6321                 modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8636_MAX_LEN;
6322                 break;
6323         default:
6324                 hns3_err(hw, "unknown module, type = %u, extra_type = %u.\n",
6325                          sfp_type.type, sfp_type.ext_type);
6326                 return -EINVAL;
6327         }
6328
6329         return 0;
6330 }
6331
6332 static const struct eth_dev_ops hns3_eth_dev_ops = {
6333         .dev_configure      = hns3_dev_configure,
6334         .dev_start          = hns3_dev_start,
6335         .dev_stop           = hns3_dev_stop,
6336         .dev_close          = hns3_dev_close,
6337         .promiscuous_enable = hns3_dev_promiscuous_enable,
6338         .promiscuous_disable = hns3_dev_promiscuous_disable,
6339         .allmulticast_enable  = hns3_dev_allmulticast_enable,
6340         .allmulticast_disable = hns3_dev_allmulticast_disable,
6341         .mtu_set            = hns3_dev_mtu_set,
6342         .stats_get          = hns3_stats_get,
6343         .stats_reset        = hns3_stats_reset,
6344         .xstats_get         = hns3_dev_xstats_get,
6345         .xstats_get_names   = hns3_dev_xstats_get_names,
6346         .xstats_reset       = hns3_dev_xstats_reset,
6347         .xstats_get_by_id   = hns3_dev_xstats_get_by_id,
6348         .xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
6349         .dev_infos_get          = hns3_dev_infos_get,
6350         .fw_version_get         = hns3_fw_version_get,
6351         .rx_queue_setup         = hns3_rx_queue_setup,
6352         .tx_queue_setup         = hns3_tx_queue_setup,
6353         .rx_queue_release       = hns3_dev_rx_queue_release,
6354         .tx_queue_release       = hns3_dev_tx_queue_release,
6355         .rx_queue_start         = hns3_dev_rx_queue_start,
6356         .rx_queue_stop          = hns3_dev_rx_queue_stop,
6357         .tx_queue_start         = hns3_dev_tx_queue_start,
6358         .tx_queue_stop          = hns3_dev_tx_queue_stop,
6359         .rx_queue_intr_enable   = hns3_dev_rx_queue_intr_enable,
6360         .rx_queue_intr_disable  = hns3_dev_rx_queue_intr_disable,
6361         .rxq_info_get           = hns3_rxq_info_get,
6362         .txq_info_get           = hns3_txq_info_get,
6363         .rx_burst_mode_get      = hns3_rx_burst_mode_get,
6364         .tx_burst_mode_get      = hns3_tx_burst_mode_get,
6365         .flow_ctrl_get          = hns3_flow_ctrl_get,
6366         .flow_ctrl_set          = hns3_flow_ctrl_set,
6367         .priority_flow_ctrl_set = hns3_priority_flow_ctrl_set,
6368         .mac_addr_add           = hns3_add_mac_addr,
6369         .mac_addr_remove        = hns3_remove_mac_addr,
6370         .mac_addr_set           = hns3_set_default_mac_addr,
6371         .set_mc_addr_list       = hns3_set_mc_mac_addr_list,
6372         .link_update            = hns3_dev_link_update,
6373         .rss_hash_update        = hns3_dev_rss_hash_update,
6374         .rss_hash_conf_get      = hns3_dev_rss_hash_conf_get,
6375         .reta_update            = hns3_dev_rss_reta_update,
6376         .reta_query             = hns3_dev_rss_reta_query,
6377         .filter_ctrl            = hns3_dev_filter_ctrl,
6378         .vlan_filter_set        = hns3_vlan_filter_set,
6379         .vlan_tpid_set          = hns3_vlan_tpid_set,
6380         .vlan_offload_set       = hns3_vlan_offload_set,
6381         .vlan_pvid_set          = hns3_vlan_pvid_set,
6382         .get_reg                = hns3_get_regs,
6383         .get_module_info        = hns3_get_module_info,
6384         .get_module_eeprom      = hns3_get_module_eeprom,
6385         .get_dcb_info           = hns3_get_dcb_info,
6386         .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
6387         .fec_get_capability     = hns3_fec_get_capability,
6388         .fec_get                = hns3_fec_get,
6389         .fec_set                = hns3_fec_set,
6390         .tm_ops_get             = hns3_tm_ops_get,
6391         .tx_done_cleanup        = hns3_tx_done_cleanup,
6392 };
6393
6394 static const struct hns3_reset_ops hns3_reset_ops = {
6395         .reset_service       = hns3_reset_service,
6396         .stop_service        = hns3_stop_service,
6397         .prepare_reset       = hns3_prepare_reset,
6398         .wait_hardware_ready = hns3_wait_hardware_ready,
6399         .reinit_dev          = hns3_reinit_dev,
6400         .restore_conf        = hns3_restore_conf,
6401         .start_service       = hns3_start_service,
6402 };
6403
6404 static int
6405 hns3_dev_init(struct rte_eth_dev *eth_dev)
6406 {
6407         struct hns3_adapter *hns = eth_dev->data->dev_private;
6408         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
6409         struct rte_ether_addr *eth_addr;
6410         struct hns3_hw *hw = &hns->hw;
6411         int ret;
6412
6413         PMD_INIT_FUNC_TRACE();
6414
6415         eth_dev->process_private = (struct hns3_process_private *)
6416             rte_zmalloc_socket("hns3_filter_list",
6417                                sizeof(struct hns3_process_private),
6418                                RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
6419         if (eth_dev->process_private == NULL) {
6420                 PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
6421                 return -ENOMEM;
6422         }
6423         /* initialize flow filter lists */
6424         hns3_filterlist_init(eth_dev);
6425
6426         hns3_set_rxtx_function(eth_dev);
6427         eth_dev->dev_ops = &hns3_eth_dev_ops;
6428         eth_dev->rx_queue_count = hns3_rx_queue_count;
6429         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
6430                 ret = hns3_mp_init_secondary();
6431                 if (ret) {
6432                         PMD_INIT_LOG(ERR, "Failed to init for secondary "
6433                                      "process, ret = %d", ret);
6434                         goto err_mp_init_secondary;
6435                 }
6436
6437                 hw->secondary_cnt++;
6438                 return 0;
6439         }
6440
6441         ret = hns3_mp_init_primary();
6442         if (ret) {
6443                 PMD_INIT_LOG(ERR,
6444                              "Failed to init for primary process, ret = %d",
6445                              ret);
6446                 goto err_mp_init_primary;
6447         }
6448
6449         hw->adapter_state = HNS3_NIC_UNINITIALIZED;
6450         hns->is_vf = false;
6451         hw->data = eth_dev->data;
6452
6453         /*
6454          * Set default max packet size according to the mtu
6455          * default vale in DPDK frame.
6456          */
6457         hns->pf.mps = hw->data->mtu + HNS3_ETH_OVERHEAD;
6458
6459         ret = hns3_reset_init(hw);
6460         if (ret)
6461                 goto err_init_reset;
6462         hw->reset.ops = &hns3_reset_ops;
6463
6464         ret = hns3_init_pf(eth_dev);
6465         if (ret) {
6466                 PMD_INIT_LOG(ERR, "Failed to init pf: %d", ret);
6467                 goto err_init_pf;
6468         }
6469
6470         /* Allocate memory for storing MAC addresses */
6471         eth_dev->data->mac_addrs = rte_zmalloc("hns3-mac",
6472                                                sizeof(struct rte_ether_addr) *
6473                                                HNS3_UC_MACADDR_NUM, 0);
6474         if (eth_dev->data->mac_addrs == NULL) {
6475                 PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
6476                              "to store MAC addresses",
6477                              sizeof(struct rte_ether_addr) *
6478                              HNS3_UC_MACADDR_NUM);
6479                 ret = -ENOMEM;
6480                 goto err_rte_zmalloc;
6481         }
6482
6483         eth_addr = (struct rte_ether_addr *)hw->mac.mac_addr;
6484         if (!rte_is_valid_assigned_ether_addr(eth_addr)) {
6485                 rte_eth_random_addr(hw->mac.mac_addr);
6486                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
6487                                 (struct rte_ether_addr *)hw->mac.mac_addr);
6488                 hns3_warn(hw, "default mac_addr from firmware is an invalid "
6489                           "unicast address, using random MAC address %s",
6490                           mac_str);
6491         }
6492         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
6493                             &eth_dev->data->mac_addrs[0]);
6494
6495         hw->adapter_state = HNS3_NIC_INITIALIZED;
6496
6497         if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
6498                             SCHEDULE_PENDING) {
6499                 hns3_err(hw, "Reschedule reset service after dev_init");
6500                 hns3_schedule_reset(hns);
6501         } else {
6502                 /* IMP will wait ready flag before reset */
6503                 hns3_notify_reset_ready(hw, false);
6504         }
6505
6506         hns3_info(hw, "hns3 dev initialization successful!");
6507         return 0;
6508
6509 err_rte_zmalloc:
6510         hns3_uninit_pf(eth_dev);
6511
6512 err_init_pf:
6513         rte_free(hw->reset.wait_data);
6514
6515 err_init_reset:
6516         hns3_mp_uninit_primary();
6517
6518 err_mp_init_primary:
6519 err_mp_init_secondary:
6520         eth_dev->dev_ops = NULL;
6521         eth_dev->rx_pkt_burst = NULL;
6522         eth_dev->tx_pkt_burst = NULL;
6523         eth_dev->tx_pkt_prepare = NULL;
6524         rte_free(eth_dev->process_private);
6525         eth_dev->process_private = NULL;
6526         return ret;
6527 }
6528
6529 static int
6530 hns3_dev_uninit(struct rte_eth_dev *eth_dev)
6531 {
6532         struct hns3_adapter *hns = eth_dev->data->dev_private;
6533         struct hns3_hw *hw = &hns->hw;
6534
6535         PMD_INIT_FUNC_TRACE();
6536
6537         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
6538                 rte_free(eth_dev->process_private);
6539                 eth_dev->process_private = NULL;
6540                 return 0;
6541         }
6542
6543         if (hw->adapter_state < HNS3_NIC_CLOSING)
6544                 hns3_dev_close(eth_dev);
6545
6546         hw->adapter_state = HNS3_NIC_REMOVED;
6547         return 0;
6548 }
6549
6550 static int
6551 eth_hns3_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
6552                    struct rte_pci_device *pci_dev)
6553 {
6554         return rte_eth_dev_pci_generic_probe(pci_dev,
6555                                              sizeof(struct hns3_adapter),
6556                                              hns3_dev_init);
6557 }
6558
6559 static int
6560 eth_hns3_pci_remove(struct rte_pci_device *pci_dev)
6561 {
6562         return rte_eth_dev_pci_generic_remove(pci_dev, hns3_dev_uninit);
6563 }
6564
6565 static const struct rte_pci_id pci_id_hns3_map[] = {
6566         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_GE) },
6567         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE) },
6568         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE_RDMA) },
6569         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_50GE_RDMA) },
6570         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_MACSEC) },
6571         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_200G_RDMA) },
6572         { .vendor_id = 0, }, /* sentinel */
6573 };
6574
6575 static struct rte_pci_driver rte_hns3_pmd = {
6576         .id_table = pci_id_hns3_map,
6577         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
6578         .probe = eth_hns3_pci_probe,
6579         .remove = eth_hns3_pci_remove,
6580 };
6581
6582 RTE_PMD_REGISTER_PCI(net_hns3, rte_hns3_pmd);
6583 RTE_PMD_REGISTER_PCI_TABLE(net_hns3, pci_id_hns3_map);
6584 RTE_PMD_REGISTER_KMOD_DEP(net_hns3, "* igb_uio | vfio-pci");
6585 RTE_LOG_REGISTER(hns3_logtype_init, pmd.net.hns3.init, NOTICE);
6586 RTE_LOG_REGISTER(hns3_logtype_driver, pmd.net.hns3.driver, NOTICE);