net/bnxt: fix FW version query
[dpdk.git] / drivers / net / i40e / i40e_pf.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4
5 #include <sys/queue.h>
6 #include <stdio.h>
7 #include <errno.h>
8 #include <stdint.h>
9 #include <string.h>
10 #include <unistd.h>
11 #include <stdarg.h>
12 #include <inttypes.h>
13
14 #include <rte_string_fns.h>
15 #include <rte_pci.h>
16 #include <rte_ether.h>
17 #include <rte_ethdev_driver.h>
18 #include <rte_malloc.h>
19 #include <rte_memcpy.h>
20
21 #include "i40e_logs.h"
22 #include "base/i40e_prototype.h"
23 #include "base/i40e_adminq_cmd.h"
24 #include "base/i40e_type.h"
25 #include "i40e_ethdev.h"
26 #include "i40e_rxtx.h"
27 #include "i40e_pf.h"
28 #include "rte_pmd_i40e.h"
29
30 #define I40E_CFG_CRCSTRIP_DEFAULT 1
31
32 static int
33 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
34                            struct virtchnl_queue_select *qsel,
35                            bool on);
36
37 /**
38  * Bind PF queues with VSI and VF.
39  **/
40 static int
41 i40e_pf_vf_queues_mapping(struct i40e_pf_vf *vf)
42 {
43         int i;
44         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
45         uint16_t vsi_id = vf->vsi->vsi_id;
46         uint16_t vf_id  = vf->vf_idx;
47         uint16_t nb_qps = vf->vsi->nb_qps;
48         uint16_t qbase  = vf->vsi->base_queue;
49         uint16_t q1, q2;
50         uint32_t val;
51
52         /*
53          * VF should use scatter range queues. So, it needn't
54          * to set QBASE in this register.
55          */
56         i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vsi_id),
57                           I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
58
59         /* Set to enable VFLAN_QTABLE[] registers valid */
60         I40E_WRITE_REG(hw, I40E_VPLAN_MAPENA(vf_id),
61                 I40E_VPLAN_MAPENA_TXRX_ENA_MASK);
62
63         /* map PF queues to VF */
64         for (i = 0; i < nb_qps; i++) {
65                 val = ((qbase + i) & I40E_VPLAN_QTABLE_QINDEX_MASK);
66                 I40E_WRITE_REG(hw, I40E_VPLAN_QTABLE(i, vf_id), val);
67         }
68
69         /* map PF queues to VSI */
70         for (i = 0; i < I40E_MAX_QP_NUM_PER_VF / 2; i++) {
71                 if (2 * i > nb_qps - 1)
72                         q1 = I40E_VSILAN_QTABLE_QINDEX_0_MASK;
73                 else
74                         q1 = qbase + 2 * i;
75
76                 if (2 * i + 1 > nb_qps - 1)
77                         q2 = I40E_VSILAN_QTABLE_QINDEX_0_MASK;
78                 else
79                         q2 = qbase + 2 * i + 1;
80
81                 val = (q2 << I40E_VSILAN_QTABLE_QINDEX_1_SHIFT) + q1;
82                 i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(i, vsi_id), val);
83         }
84         I40E_WRITE_FLUSH(hw);
85
86         return I40E_SUCCESS;
87 }
88
89
90 /**
91  * Proceed VF reset operation.
92  */
93 int
94 i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset)
95 {
96         uint32_t val, i;
97         struct i40e_hw *hw;
98         struct i40e_pf *pf;
99         uint16_t vf_id, abs_vf_id, vf_msix_num;
100         int ret;
101         struct virtchnl_queue_select qsel;
102
103         if (vf == NULL)
104                 return -EINVAL;
105
106         pf = vf->pf;
107         hw = I40E_PF_TO_HW(vf->pf);
108         vf_id = vf->vf_idx;
109         abs_vf_id = vf_id + hw->func_caps.vf_base_id;
110
111         /* Notify VF that we are in VFR progress */
112         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), VIRTCHNL_VFR_INPROGRESS);
113
114         /*
115          * If require a SW VF reset, a VFLR interrupt will be generated,
116          * this function will be called again. To avoid it,
117          * disable interrupt first.
118          */
119         if (do_hw_reset) {
120                 vf->state = I40E_VF_INRESET;
121                 val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id));
122                 val |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
123                 I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val);
124                 I40E_WRITE_FLUSH(hw);
125         }
126
127 #define VFRESET_MAX_WAIT_CNT 100
128         /* Wait until VF reset is done */
129         for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
130                 rte_delay_us(10);
131                 val = I40E_READ_REG(hw, I40E_VPGEN_VFRSTAT(vf_id));
132                 if (val & I40E_VPGEN_VFRSTAT_VFRD_MASK)
133                         break;
134         }
135
136         if (i >= VFRESET_MAX_WAIT_CNT) {
137                 PMD_DRV_LOG(ERR, "VF reset timeout");
138                 return -ETIMEDOUT;
139         }
140         /* This is not first time to do reset, do cleanup job first */
141         if (vf->vsi) {
142                 /* Disable queues */
143                 memset(&qsel, 0, sizeof(qsel));
144                 for (i = 0; i < vf->vsi->nb_qps; i++)
145                         qsel.rx_queues |= 1 << i;
146                 qsel.tx_queues = qsel.rx_queues;
147                 ret = i40e_pf_host_switch_queues(vf, &qsel, false);
148                 if (ret != I40E_SUCCESS) {
149                         PMD_DRV_LOG(ERR, "Disable VF queues failed");
150                         return -EFAULT;
151                 }
152
153                 /* Disable VF interrupt setting */
154                 vf_msix_num = hw->func_caps.num_msix_vectors_vf;
155                 for (i = 0; i < vf_msix_num; i++) {
156                         if (!i)
157                                 val = I40E_VFINT_DYN_CTL0(vf_id);
158                         else
159                                 val = I40E_VFINT_DYN_CTLN(((vf_msix_num - 1) *
160                                                         (vf_id)) + (i - 1));
161                         I40E_WRITE_REG(hw, val, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
162                 }
163                 I40E_WRITE_FLUSH(hw);
164
165                 /* remove VSI */
166                 ret = i40e_vsi_release(vf->vsi);
167                 if (ret != I40E_SUCCESS) {
168                         PMD_DRV_LOG(ERR, "Release VSI failed");
169                         return -EFAULT;
170                 }
171         }
172
173 #define I40E_VF_PCI_ADDR  0xAA
174 #define I40E_VF_PEND_MASK 0x20
175         /* Check the pending transactions of this VF */
176         /* Use absolute VF id, refer to datasheet for details */
177         I40E_WRITE_REG(hw, I40E_PF_PCI_CIAA, I40E_VF_PCI_ADDR |
178                 (abs_vf_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
179         for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
180                 rte_delay_us(1);
181                 val = I40E_READ_REG(hw, I40E_PF_PCI_CIAD);
182                 if ((val & I40E_VF_PEND_MASK) == 0)
183                         break;
184         }
185
186         if (i >= VFRESET_MAX_WAIT_CNT) {
187                 PMD_DRV_LOG(ERR, "Wait VF PCI transaction end timeout");
188                 return -ETIMEDOUT;
189         }
190
191         /* Reset done, Set COMPLETE flag and clear reset bit */
192         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), VIRTCHNL_VFR_COMPLETED);
193         val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id));
194         val &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
195         I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val);
196         vf->reset_cnt++;
197         I40E_WRITE_FLUSH(hw);
198
199         /* Allocate resource again */
200         if (pf->floating_veb && pf->floating_veb_list[vf_id]) {
201                 vf->vsi = i40e_vsi_setup(vf->pf, I40E_VSI_SRIOV,
202                                          NULL, vf->vf_idx);
203         } else {
204                 vf->vsi = i40e_vsi_setup(vf->pf, I40E_VSI_SRIOV,
205                                          vf->pf->main_vsi, vf->vf_idx);
206         }
207
208         if (vf->vsi == NULL) {
209                 PMD_DRV_LOG(ERR, "Add vsi failed");
210                 return -EFAULT;
211         }
212
213         ret = i40e_pf_vf_queues_mapping(vf);
214         if (ret != I40E_SUCCESS) {
215                 PMD_DRV_LOG(ERR, "queue mapping error");
216                 i40e_vsi_release(vf->vsi);
217                 return -EFAULT;
218         }
219
220         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), VIRTCHNL_VFR_VFACTIVE);
221
222         return ret;
223 }
224
225 int
226 i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf *vf,
227                             uint32_t opcode,
228                             uint32_t retval,
229                             uint8_t *msg,
230                             uint16_t msglen)
231 {
232         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
233         uint16_t abs_vf_id = hw->func_caps.vf_base_id + vf->vf_idx;
234         int ret;
235
236         ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, opcode, retval,
237                                                 msg, msglen, NULL);
238         if (ret) {
239                 PMD_INIT_LOG(ERR, "Fail to send message to VF, err %u",
240                              hw->aq.asq_last_status);
241         }
242
243         return ret;
244 }
245
246 static void
247 i40e_pf_host_process_cmd_version(struct i40e_pf_vf *vf, uint8_t *msg,
248                                  bool b_op)
249 {
250         struct virtchnl_version_info info;
251
252         /* VF and PF drivers need to follow the Virtchnl definition, No matter
253          * it's DPDK or other kernel drivers.
254          * The original DPDK host specific feature
255          * like CFG_VLAN_PVID and CONFIG_VSI_QUEUES_EXT will not available.
256          */
257
258         info.major = VIRTCHNL_VERSION_MAJOR;
259         vf->version = *(struct virtchnl_version_info *)msg;
260         if (VF_IS_V10(&vf->version))
261                 info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
262         else
263                 info.minor = VIRTCHNL_VERSION_MINOR;
264
265         if (b_op)
266                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
267                                             I40E_SUCCESS,
268                                             (uint8_t *)&info,
269                                             sizeof(info));
270         else
271                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
272                                             I40E_NOT_SUPPORTED,
273                                             (uint8_t *)&info,
274                                             sizeof(info));
275 }
276
277 static int
278 i40e_pf_host_process_cmd_reset_vf(struct i40e_pf_vf *vf)
279 {
280         i40e_pf_host_vf_reset(vf, 1);
281
282         /* No feedback will be sent to VF for VFLR */
283         return I40E_SUCCESS;
284 }
285
286 static int
287 i40e_pf_host_process_cmd_get_vf_resource(struct i40e_pf_vf *vf, uint8_t *msg,
288                                          bool b_op)
289 {
290         struct virtchnl_vf_resource *vf_res = NULL;
291         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
292         uint32_t len = 0;
293         uint64_t default_hena = I40E_RSS_HENA_ALL;
294         int ret = I40E_SUCCESS;
295
296         if (!b_op) {
297                 i40e_pf_host_send_msg_to_vf(vf,
298                                             VIRTCHNL_OP_GET_VF_RESOURCES,
299                                             I40E_NOT_SUPPORTED, NULL, 0);
300                 return ret;
301         }
302
303         /* only have 1 VSI by default */
304         len =  sizeof(struct virtchnl_vf_resource) +
305                                 I40E_DEFAULT_VF_VSI_NUM *
306                 sizeof(struct virtchnl_vsi_resource);
307
308         vf_res = rte_zmalloc("i40e_vf_res", len, 0);
309         if (vf_res == NULL) {
310                 PMD_DRV_LOG(ERR, "failed to allocate mem");
311                 ret = I40E_ERR_NO_MEMORY;
312                 vf_res = NULL;
313                 len = 0;
314                 goto send_msg;
315         }
316
317         if (VF_IS_V10(&vf->version)) /* doesn't support offload negotiate */
318                 vf->request_caps = VIRTCHNL_VF_OFFLOAD_L2 |
319                                    VIRTCHNL_VF_OFFLOAD_VLAN;
320         else
321                 vf->request_caps = *(uint32_t *)msg;
322
323         /* enable all RSS by default,
324          * doesn't support hena setting by virtchnnl yet.
325          */
326         if (vf->request_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
327                 I40E_WRITE_REG(hw, I40E_VFQF_HENA1(0, vf->vf_idx),
328                                (uint32_t)default_hena);
329                 I40E_WRITE_REG(hw, I40E_VFQF_HENA1(1, vf->vf_idx),
330                                (uint32_t)(default_hena >> 32));
331                 I40E_WRITE_FLUSH(hw);
332         }
333
334         vf_res->vf_cap_flags = vf->request_caps &
335                                    I40E_VIRTCHNL_OFFLOAD_CAPS;
336         /* For X722, it supports write back on ITR
337          * without binding queue to interrupt vector.
338          */
339         if (hw->mac.type == I40E_MAC_X722)
340                 vf_res->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
341         vf_res->max_vectors = hw->func_caps.num_msix_vectors_vf;
342         vf_res->num_queue_pairs = vf->vsi->nb_qps;
343         vf_res->num_vsis = I40E_DEFAULT_VF_VSI_NUM;
344         vf_res->rss_key_size = (I40E_PFQF_HKEY_MAX_INDEX + 1) * 4;
345         vf_res->rss_lut_size = (I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4;
346
347         /* Change below setting if PF host can support more VSIs for VF */
348         vf_res->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;
349         vf_res->vsi_res[0].vsi_id = vf->vsi->vsi_id;
350         vf_res->vsi_res[0].num_queue_pairs = vf->vsi->nb_qps;
351         rte_ether_addr_copy(&vf->mac_addr,
352                 (struct rte_ether_addr *)vf_res->vsi_res[0].default_mac_addr);
353
354 send_msg:
355         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES,
356                                         ret, (uint8_t *)vf_res, len);
357         rte_free(vf_res);
358
359         return ret;
360 }
361
362 static int
363 i40e_pf_host_hmc_config_rxq(struct i40e_hw *hw,
364                             struct i40e_pf_vf *vf,
365                             struct virtchnl_rxq_info *rxq,
366                             uint8_t crcstrip)
367 {
368         int err = I40E_SUCCESS;
369         struct i40e_hmc_obj_rxq rx_ctx;
370         uint16_t abs_queue_id = vf->vsi->base_queue + rxq->queue_id;
371
372         /* Clear the context structure first */
373         memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
374         rx_ctx.dbuff = rxq->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
375         rx_ctx.hbuff = rxq->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
376         rx_ctx.base = rxq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT;
377         rx_ctx.qlen = rxq->ring_len;
378 #ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC
379         rx_ctx.dsize = 1;
380 #endif
381
382         if (rxq->splithdr_enabled) {
383                 rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_ALL;
384                 rx_ctx.dtype = i40e_header_split_enabled;
385         } else {
386                 rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_NONE;
387                 rx_ctx.dtype = i40e_header_split_none;
388         }
389         rx_ctx.rxmax = rxq->max_pkt_size;
390         rx_ctx.tphrdesc_ena = 1;
391         rx_ctx.tphwdesc_ena = 1;
392         rx_ctx.tphdata_ena = 1;
393         rx_ctx.tphhead_ena = 1;
394         rx_ctx.lrxqthresh = 2;
395         rx_ctx.crcstrip = crcstrip;
396         rx_ctx.l2tsel = 1;
397         rx_ctx.prefena = 1;
398
399         err = i40e_clear_lan_rx_queue_context(hw, abs_queue_id);
400         if (err != I40E_SUCCESS)
401                 return err;
402         err = i40e_set_lan_rx_queue_context(hw, abs_queue_id, &rx_ctx);
403
404         return err;
405 }
406
407 static inline uint8_t
408 i40e_vsi_get_tc_of_queue(struct i40e_vsi *vsi,
409                 uint16_t queue_id)
410 {
411         struct i40e_aqc_vsi_properties_data *info = &vsi->info;
412         uint16_t bsf, qp_idx;
413         uint8_t i;
414
415         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
416                 if (vsi->enabled_tc & (1 << i)) {
417                         qp_idx = rte_le_to_cpu_16((info->tc_mapping[i] &
418                                 I40E_AQ_VSI_TC_QUE_OFFSET_MASK) >>
419                                 I40E_AQ_VSI_TC_QUE_OFFSET_SHIFT);
420                         bsf = rte_le_to_cpu_16((info->tc_mapping[i] &
421                                 I40E_AQ_VSI_TC_QUE_NUMBER_MASK) >>
422                                 I40E_AQ_VSI_TC_QUE_NUMBER_SHIFT);
423                         if (queue_id >= qp_idx && queue_id < qp_idx + (1 << bsf))
424                                 return i;
425                 }
426         }
427         return 0;
428 }
429
430 static int
431 i40e_pf_host_hmc_config_txq(struct i40e_hw *hw,
432                             struct i40e_pf_vf *vf,
433                             struct virtchnl_txq_info *txq)
434 {
435         int err = I40E_SUCCESS;
436         struct i40e_hmc_obj_txq tx_ctx;
437         struct i40e_vsi *vsi = vf->vsi;
438         uint32_t qtx_ctl;
439         uint16_t abs_queue_id = vsi->base_queue + txq->queue_id;
440         uint8_t dcb_tc;
441
442         /* clear the context structure first */
443         memset(&tx_ctx, 0, sizeof(tx_ctx));
444         tx_ctx.base = txq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT;
445         tx_ctx.qlen = txq->ring_len;
446         dcb_tc = i40e_vsi_get_tc_of_queue(vsi, txq->queue_id);
447         tx_ctx.rdylist = rte_le_to_cpu_16(vsi->info.qs_handle[dcb_tc]);
448         tx_ctx.head_wb_ena = txq->headwb_enabled;
449         tx_ctx.head_wb_addr = txq->dma_headwb_addr;
450
451         err = i40e_clear_lan_tx_queue_context(hw, abs_queue_id);
452         if (err != I40E_SUCCESS)
453                 return err;
454
455         err = i40e_set_lan_tx_queue_context(hw, abs_queue_id, &tx_ctx);
456         if (err != I40E_SUCCESS)
457                 return err;
458
459         /* bind queue with VF function, since TX/QX will appear in pair,
460          * so only has QTX_CTL to set.
461          */
462         qtx_ctl = (I40E_QTX_CTL_VF_QUEUE << I40E_QTX_CTL_PFVF_Q_SHIFT) |
463                                 ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) &
464                                 I40E_QTX_CTL_PF_INDX_MASK) |
465                                 (((vf->vf_idx + hw->func_caps.vf_base_id) <<
466                                 I40E_QTX_CTL_VFVM_INDX_SHIFT) &
467                                 I40E_QTX_CTL_VFVM_INDX_MASK);
468         I40E_WRITE_REG(hw, I40E_QTX_CTL(abs_queue_id), qtx_ctl);
469         I40E_WRITE_FLUSH(hw);
470
471         return I40E_SUCCESS;
472 }
473
474 static int
475 i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf *vf,
476                                            uint8_t *msg,
477                                            uint16_t msglen,
478                                            bool b_op)
479 {
480         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
481         struct i40e_vsi *vsi = vf->vsi;
482         struct virtchnl_vsi_queue_config_info *vc_vqci =
483                 (struct virtchnl_vsi_queue_config_info *)msg;
484         struct virtchnl_queue_pair_info *vc_qpi;
485         int i, ret = I40E_SUCCESS;
486
487         if (!b_op) {
488                 i40e_pf_host_send_msg_to_vf(vf,
489                                             VIRTCHNL_OP_CONFIG_VSI_QUEUES,
490                                             I40E_NOT_SUPPORTED, NULL, 0);
491                 return ret;
492         }
493
494         if (!msg || vc_vqci->num_queue_pairs > vsi->nb_qps ||
495                 vc_vqci->num_queue_pairs > I40E_MAX_VSI_QP ||
496                 msglen < I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci,
497                                         vc_vqci->num_queue_pairs)) {
498                 PMD_DRV_LOG(ERR, "vsi_queue_config_info argument wrong");
499                 ret = I40E_ERR_PARAM;
500                 goto send_msg;
501         }
502
503         vc_qpi = vc_vqci->qpair;
504         for (i = 0; i < vc_vqci->num_queue_pairs; i++) {
505                 if (vc_qpi[i].rxq.queue_id > vsi->nb_qps - 1 ||
506                         vc_qpi[i].txq.queue_id > vsi->nb_qps - 1) {
507                         ret = I40E_ERR_PARAM;
508                         goto send_msg;
509                 }
510
511                 /*
512                  * Apply VF RX queue setting to HMC.
513                  * If the opcode is VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
514                  * then the extra information of
515                  * 'struct virtchnl_queue_pair_extra_info' is needed,
516                  * otherwise set the last parameter to NULL.
517                  */
518                 if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpi[i].rxq,
519                         I40E_CFG_CRCSTRIP_DEFAULT) != I40E_SUCCESS) {
520                         PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
521                         ret = I40E_ERR_PARAM;
522                         goto send_msg;
523                 }
524
525                 /* Apply VF TX queue setting to HMC */
526                 if (i40e_pf_host_hmc_config_txq(hw, vf,
527                         &vc_qpi[i].txq) != I40E_SUCCESS) {
528                         PMD_DRV_LOG(ERR, "Configure TX queue HMC failed");
529                         ret = I40E_ERR_PARAM;
530                         goto send_msg;
531                 }
532         }
533
534 send_msg:
535         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES,
536                                                         ret, NULL, 0);
537
538         return ret;
539 }
540
541 static void
542 i40e_pf_config_irq_link_list(struct i40e_pf_vf *vf,
543                               struct virtchnl_vector_map *vvm)
544 {
545 #define BITS_PER_CHAR 8
546         uint64_t linklistmap = 0, tempmap;
547         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
548         uint16_t qid;
549         bool b_first_q = true;
550         enum i40e_queue_type qtype;
551         uint16_t vector_id;
552         uint32_t reg, reg_idx;
553         uint16_t itr_idx = 0, i;
554
555         vector_id = vvm->vector_id;
556         /* setup the head */
557         if (!vector_id)
558                 reg_idx = I40E_VPINT_LNKLST0(vf->vf_idx);
559         else
560                 reg_idx = I40E_VPINT_LNKLSTN(
561                 ((hw->func_caps.num_msix_vectors_vf - 1) * vf->vf_idx)
562                 + (vector_id - 1));
563
564         if (vvm->rxq_map == 0 && vvm->txq_map == 0) {
565                 I40E_WRITE_REG(hw, reg_idx,
566                         I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
567                 goto cfg_irq_done;
568         }
569
570         /* sort all rx and tx queues */
571         tempmap = vvm->rxq_map;
572         for (i = 0; i < sizeof(vvm->rxq_map) * BITS_PER_CHAR; i++) {
573                 if (tempmap & 0x1)
574                         linklistmap |= (1 << (2 * i));
575                 tempmap >>= 1;
576         }
577
578         tempmap = vvm->txq_map;
579         for (i = 0; i < sizeof(vvm->txq_map) * BITS_PER_CHAR; i++) {
580                 if (tempmap & 0x1)
581                         linklistmap |= (1 << (2 * i + 1));
582                 tempmap >>= 1;
583         }
584
585         /* Link all rx and tx queues into a chained list */
586         tempmap = linklistmap;
587         i = 0;
588         b_first_q = true;
589         do {
590                 if (tempmap & 0x1) {
591                         qtype = (enum i40e_queue_type)(i % 2);
592                         qid = vf->vsi->base_queue + i / 2;
593                         if (b_first_q) {
594                                 /* This is header */
595                                 b_first_q = false;
596                                 reg = ((qtype <<
597                                 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT)
598                                 | qid);
599                         } else {
600                                 /* element in the link list */
601                                 reg = (vector_id) |
602                                 (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
603                                 (qid << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
604                                 BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
605                                 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
606                         }
607                         I40E_WRITE_REG(hw, reg_idx, reg);
608                         /* find next register to program */
609                         switch (qtype) {
610                         case I40E_QUEUE_TYPE_RX:
611                                 reg_idx = I40E_QINT_RQCTL(qid);
612                                 itr_idx = vvm->rxitr_idx;
613                                 break;
614                         case I40E_QUEUE_TYPE_TX:
615                                 reg_idx = I40E_QINT_TQCTL(qid);
616                                 itr_idx = vvm->txitr_idx;
617                                 break;
618                         default:
619                                 break;
620                         }
621                 }
622                 i++;
623                 tempmap >>= 1;
624         } while (tempmap);
625
626         /* Terminate the link list */
627         reg = (vector_id) |
628                 (0 << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
629                 (0x7FF << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
630                 BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
631                 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
632         I40E_WRITE_REG(hw, reg_idx, reg);
633
634 cfg_irq_done:
635         I40E_WRITE_FLUSH(hw);
636 }
637
638 static int
639 i40e_pf_host_process_cmd_config_irq_map(struct i40e_pf_vf *vf,
640                                         uint8_t *msg, uint16_t msglen,
641                                         bool b_op)
642 {
643         int ret = I40E_SUCCESS;
644         struct i40e_pf *pf = vf->pf;
645         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
646         struct virtchnl_irq_map_info *irqmap =
647             (struct virtchnl_irq_map_info *)msg;
648         struct virtchnl_vector_map *map;
649         int i;
650         uint16_t vector_id, itr_idx;
651         unsigned long qbit_max;
652
653         if (!b_op) {
654                 i40e_pf_host_send_msg_to_vf(
655                         vf,
656                         VIRTCHNL_OP_CONFIG_IRQ_MAP,
657                         I40E_NOT_SUPPORTED, NULL, 0);
658                 return ret;
659         }
660
661         if (msg == NULL || msglen < sizeof(struct virtchnl_irq_map_info)) {
662                 PMD_DRV_LOG(ERR, "buffer too short");
663                 ret = I40E_ERR_PARAM;
664                 goto send_msg;
665         }
666
667         /* PF host will support both DPDK VF or Linux VF driver, identify by
668          * number of vectors requested.
669          */
670
671         /* DPDK VF only requires single vector */
672         if (irqmap->num_vectors == 1) {
673                 /* This MSIX intr store the intr in VF range */
674                 vf->vsi->msix_intr = irqmap->vecmap[0].vector_id;
675                 vf->vsi->nb_msix = irqmap->num_vectors;
676                 vf->vsi->nb_used_qps = vf->vsi->nb_qps;
677                 itr_idx = irqmap->vecmap[0].rxitr_idx;
678
679                 /* Don't care how the TX/RX queue mapping with this vector.
680                  * Link all VF RX queues together. Only did mapping work.
681                  * VF can disable/enable the intr by itself.
682                  */
683                 i40e_vsi_queues_bind_intr(vf->vsi, itr_idx);
684                 goto send_msg;
685         }
686
687         /* Then, it's Linux VF driver */
688         qbit_max = 1 << pf->vf_nb_qp_max;
689         for (i = 0; i < irqmap->num_vectors; i++) {
690                 map = &irqmap->vecmap[i];
691
692                 vector_id = map->vector_id;
693                 /* validate msg params */
694                 if (vector_id >= hw->func_caps.num_msix_vectors_vf) {
695                         ret = I40E_ERR_PARAM;
696                         goto send_msg;
697                 }
698
699                 if ((map->rxq_map < qbit_max) && (map->txq_map < qbit_max)) {
700                         i40e_pf_config_irq_link_list(vf, map);
701                 } else {
702                         /* configured queue size excceed limit */
703                         ret = I40E_ERR_PARAM;
704                         goto send_msg;
705                 }
706         }
707
708 send_msg:
709         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP,
710                                                         ret, NULL, 0);
711
712         return ret;
713 }
714
715 static int
716 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
717                            struct virtchnl_queue_select *qsel,
718                            bool on)
719 {
720         int ret = I40E_SUCCESS;
721         int i;
722         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
723         uint16_t baseq = vf->vsi->base_queue;
724
725         if (qsel->rx_queues + qsel->tx_queues == 0)
726                 return I40E_ERR_PARAM;
727
728         /* always enable RX first and disable last */
729         /* Enable RX if it's enable */
730         if (on) {
731                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
732                         if (qsel->rx_queues & (1 << i)) {
733                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
734                                 if (ret != I40E_SUCCESS)
735                                         return ret;
736                         }
737         }
738
739         /* Enable/Disable TX */
740         for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
741                 if (qsel->tx_queues & (1 << i)) {
742                         ret = i40e_switch_tx_queue(hw, baseq + i, on);
743                         if (ret != I40E_SUCCESS)
744                                 return ret;
745                 }
746
747         /* disable RX last if it's disable */
748         if (!on) {
749                 /* disable RX */
750                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
751                         if (qsel->rx_queues & (1 << i)) {
752                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
753                                 if (ret != I40E_SUCCESS)
754                                         return ret;
755                         }
756         }
757
758         return ret;
759 }
760
761 static int
762 i40e_pf_host_process_cmd_enable_queues(struct i40e_pf_vf *vf,
763                                        uint8_t *msg,
764                                        uint16_t msglen)
765 {
766         int ret = I40E_SUCCESS;
767         struct virtchnl_queue_select *q_sel =
768                 (struct virtchnl_queue_select *)msg;
769
770         if (msg == NULL || msglen != sizeof(*q_sel)) {
771                 ret = I40E_ERR_PARAM;
772                 goto send_msg;
773         }
774         ret = i40e_pf_host_switch_queues(vf, q_sel, true);
775
776 send_msg:
777         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES,
778                                                         ret, NULL, 0);
779
780         return ret;
781 }
782
783 static int
784 i40e_pf_host_process_cmd_disable_queues(struct i40e_pf_vf *vf,
785                                         uint8_t *msg,
786                                         uint16_t msglen,
787                                         bool b_op)
788 {
789         int ret = I40E_SUCCESS;
790         struct virtchnl_queue_select *q_sel =
791                 (struct virtchnl_queue_select *)msg;
792
793         if (!b_op) {
794                 i40e_pf_host_send_msg_to_vf(
795                         vf,
796                         VIRTCHNL_OP_DISABLE_QUEUES,
797                         I40E_NOT_SUPPORTED, NULL, 0);
798                 return ret;
799         }
800
801         if (msg == NULL || msglen != sizeof(*q_sel)) {
802                 ret = I40E_ERR_PARAM;
803                 goto send_msg;
804         }
805         ret = i40e_pf_host_switch_queues(vf, q_sel, false);
806
807 send_msg:
808         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES,
809                                                         ret, NULL, 0);
810
811         return ret;
812 }
813
814
815 static int
816 i40e_pf_host_process_cmd_add_ether_address(struct i40e_pf_vf *vf,
817                                            uint8_t *msg,
818                                            uint16_t msglen,
819                                            bool b_op)
820 {
821         int ret = I40E_SUCCESS;
822         struct virtchnl_ether_addr_list *addr_list =
823                         (struct virtchnl_ether_addr_list *)msg;
824         struct i40e_mac_filter_info filter;
825         int i;
826         struct rte_ether_addr *mac;
827
828         if (!b_op) {
829                 i40e_pf_host_send_msg_to_vf(
830                         vf,
831                         VIRTCHNL_OP_ADD_ETH_ADDR,
832                         I40E_NOT_SUPPORTED, NULL, 0);
833                 return ret;
834         }
835
836         memset(&filter, 0 , sizeof(struct i40e_mac_filter_info));
837
838         if (msg == NULL || msglen <= sizeof(*addr_list)) {
839                 PMD_DRV_LOG(ERR, "add_ether_address argument too short");
840                 ret = I40E_ERR_PARAM;
841                 goto send_msg;
842         }
843
844         for (i = 0; i < addr_list->num_elements; i++) {
845                 mac = (struct rte_ether_addr *)(addr_list->list[i].addr);
846                 rte_memcpy(&filter.mac_addr, mac, RTE_ETHER_ADDR_LEN);
847                 filter.filter_type = RTE_MACVLAN_PERFECT_MATCH;
848                 if (rte_is_zero_ether_addr(mac) ||
849                     i40e_vsi_add_mac(vf->vsi, &filter)) {
850                         ret = I40E_ERR_INVALID_MAC_ADDR;
851                         goto send_msg;
852                 }
853         }
854
855 send_msg:
856         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR,
857                                                         ret, NULL, 0);
858
859         return ret;
860 }
861
862 static int
863 i40e_pf_host_process_cmd_del_ether_address(struct i40e_pf_vf *vf,
864                                            uint8_t *msg,
865                                            uint16_t msglen,
866                                            bool b_op)
867 {
868         int ret = I40E_SUCCESS;
869         struct virtchnl_ether_addr_list *addr_list =
870                 (struct virtchnl_ether_addr_list *)msg;
871         int i;
872         struct rte_ether_addr *mac;
873
874         if (!b_op) {
875                 i40e_pf_host_send_msg_to_vf(
876                         vf,
877                         VIRTCHNL_OP_DEL_ETH_ADDR,
878                         I40E_NOT_SUPPORTED, NULL, 0);
879                 return ret;
880         }
881
882         if (msg == NULL || msglen <= sizeof(*addr_list)) {
883                 PMD_DRV_LOG(ERR, "delete_ether_address argument too short");
884                 ret = I40E_ERR_PARAM;
885                 goto send_msg;
886         }
887
888         for (i = 0; i < addr_list->num_elements; i++) {
889                 mac = (struct rte_ether_addr *)(addr_list->list[i].addr);
890                 if (rte_is_zero_ether_addr(mac) ||
891                         i40e_vsi_delete_mac(vf->vsi, mac)) {
892                         ret = I40E_ERR_INVALID_MAC_ADDR;
893                         goto send_msg;
894                 }
895         }
896
897 send_msg:
898         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR,
899                                                         ret, NULL, 0);
900
901         return ret;
902 }
903
904 static int
905 i40e_pf_host_process_cmd_add_vlan(struct i40e_pf_vf *vf,
906                                 uint8_t *msg, uint16_t msglen,
907                                 bool b_op)
908 {
909         int ret = I40E_SUCCESS;
910         struct virtchnl_vlan_filter_list *vlan_filter_list =
911                 (struct virtchnl_vlan_filter_list *)msg;
912         int i;
913         uint16_t *vid;
914
915         if (!b_op) {
916                 i40e_pf_host_send_msg_to_vf(
917                         vf,
918                         VIRTCHNL_OP_ADD_VLAN,
919                         I40E_NOT_SUPPORTED, NULL, 0);
920                 return ret;
921         }
922
923         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
924                 PMD_DRV_LOG(ERR, "add_vlan argument too short");
925                 ret = I40E_ERR_PARAM;
926                 goto send_msg;
927         }
928
929         vid = vlan_filter_list->vlan_id;
930
931         for (i = 0; i < vlan_filter_list->num_elements; i++) {
932                 ret = i40e_vsi_add_vlan(vf->vsi, vid[i]);
933                 if(ret != I40E_SUCCESS)
934                         goto send_msg;
935         }
936
937 send_msg:
938         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN,
939                                                 ret, NULL, 0);
940
941         return ret;
942 }
943
944 static int
945 i40e_pf_host_process_cmd_del_vlan(struct i40e_pf_vf *vf,
946                                   uint8_t *msg,
947                                   uint16_t msglen,
948                                   bool b_op)
949 {
950         int ret = I40E_SUCCESS;
951         struct virtchnl_vlan_filter_list *vlan_filter_list =
952                         (struct virtchnl_vlan_filter_list *)msg;
953         int i;
954         uint16_t *vid;
955
956         if (!b_op) {
957                 i40e_pf_host_send_msg_to_vf(
958                         vf,
959                         VIRTCHNL_OP_DEL_VLAN,
960                         I40E_NOT_SUPPORTED, NULL, 0);
961                 return ret;
962         }
963
964         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
965                 PMD_DRV_LOG(ERR, "delete_vlan argument too short");
966                 ret = I40E_ERR_PARAM;
967                 goto send_msg;
968         }
969
970         vid = vlan_filter_list->vlan_id;
971         for (i = 0; i < vlan_filter_list->num_elements; i++) {
972                 ret = i40e_vsi_delete_vlan(vf->vsi, vid[i]);
973                 if(ret != I40E_SUCCESS)
974                         goto send_msg;
975         }
976
977 send_msg:
978         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN,
979                                                 ret, NULL, 0);
980
981         return ret;
982 }
983
984 static int
985 i40e_pf_host_process_cmd_config_promisc_mode(
986                                         struct i40e_pf_vf *vf,
987                                         uint8_t *msg,
988                                         uint16_t msglen,
989                                         bool b_op)
990 {
991         int ret = I40E_SUCCESS;
992         struct virtchnl_promisc_info *promisc =
993                                 (struct virtchnl_promisc_info *)msg;
994         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
995         bool unicast = FALSE, multicast = FALSE;
996
997         if (!b_op) {
998                 i40e_pf_host_send_msg_to_vf(
999                         vf,
1000                         VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1001                         I40E_NOT_SUPPORTED, NULL, 0);
1002                 return ret;
1003         }
1004
1005         if (msg == NULL || msglen != sizeof(*promisc)) {
1006                 ret = I40E_ERR_PARAM;
1007                 goto send_msg;
1008         }
1009
1010         if (promisc->flags & FLAG_VF_UNICAST_PROMISC)
1011                 unicast = TRUE;
1012         ret = i40e_aq_set_vsi_unicast_promiscuous(hw,
1013                         vf->vsi->seid, unicast, NULL, true);
1014         if (ret != I40E_SUCCESS)
1015                 goto send_msg;
1016
1017         if (promisc->flags & FLAG_VF_MULTICAST_PROMISC)
1018                 multicast = TRUE;
1019         ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vf->vsi->seid,
1020                                                 multicast, NULL);
1021
1022 send_msg:
1023         i40e_pf_host_send_msg_to_vf(vf,
1024                 VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, ret, NULL, 0);
1025
1026         return ret;
1027 }
1028
1029 static int
1030 i40e_pf_host_process_cmd_get_stats(struct i40e_pf_vf *vf, bool b_op)
1031 {
1032         i40e_update_vsi_stats(vf->vsi);
1033
1034         if (b_op)
1035                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS,
1036                                             I40E_SUCCESS,
1037                                             (uint8_t *)&vf->vsi->eth_stats,
1038                                             sizeof(vf->vsi->eth_stats));
1039         else
1040                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS,
1041                                             I40E_NOT_SUPPORTED,
1042                                             (uint8_t *)&vf->vsi->eth_stats,
1043                                             sizeof(vf->vsi->eth_stats));
1044
1045         return I40E_SUCCESS;
1046 }
1047
1048 static int
1049 i40e_pf_host_process_cmd_enable_vlan_strip(struct i40e_pf_vf *vf, bool b_op)
1050 {
1051         int ret = I40E_SUCCESS;
1052
1053         if (!b_op) {
1054                 i40e_pf_host_send_msg_to_vf(
1055                         vf,
1056                         VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
1057                         I40E_NOT_SUPPORTED, NULL, 0);
1058                 return ret;
1059         }
1060
1061         ret = i40e_vsi_config_vlan_stripping(vf->vsi, TRUE);
1062         if (ret != 0)
1063                 PMD_DRV_LOG(ERR, "Failed to enable vlan stripping");
1064
1065         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
1066                                     ret, NULL, 0);
1067
1068         return ret;
1069 }
1070
1071 static int
1072 i40e_pf_host_process_cmd_disable_vlan_strip(struct i40e_pf_vf *vf, bool b_op)
1073 {
1074         int ret = I40E_SUCCESS;
1075
1076         if (!b_op) {
1077                 i40e_pf_host_send_msg_to_vf(
1078                         vf,
1079                         VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
1080                         I40E_NOT_SUPPORTED, NULL, 0);
1081                 return ret;
1082         }
1083
1084         ret = i40e_vsi_config_vlan_stripping(vf->vsi, FALSE);
1085         if (ret != 0)
1086                 PMD_DRV_LOG(ERR, "Failed to disable vlan stripping");
1087
1088         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
1089                                     ret, NULL, 0);
1090
1091         return ret;
1092 }
1093
1094 static int
1095 i40e_pf_host_process_cmd_set_rss_lut(struct i40e_pf_vf *vf,
1096                                      uint8_t *msg,
1097                                      uint16_t msglen,
1098                                      bool b_op)
1099 {
1100         struct virtchnl_rss_lut *rss_lut = (struct virtchnl_rss_lut *)msg;
1101         uint16_t valid_len;
1102         int ret = I40E_SUCCESS;
1103
1104         if (!b_op) {
1105                 i40e_pf_host_send_msg_to_vf(
1106                         vf,
1107                         VIRTCHNL_OP_CONFIG_RSS_LUT,
1108                         I40E_NOT_SUPPORTED, NULL, 0);
1109                 return ret;
1110         }
1111
1112         if (!msg || msglen <= sizeof(struct virtchnl_rss_lut)) {
1113                 PMD_DRV_LOG(ERR, "set_rss_lut argument too short");
1114                 ret = I40E_ERR_PARAM;
1115                 goto send_msg;
1116         }
1117         valid_len = sizeof(struct virtchnl_rss_lut) + rss_lut->lut_entries - 1;
1118         if (msglen < valid_len) {
1119                 PMD_DRV_LOG(ERR, "set_rss_lut length mismatch");
1120                 ret = I40E_ERR_PARAM;
1121                 goto send_msg;
1122         }
1123
1124         ret = i40e_set_rss_lut(vf->vsi, rss_lut->lut, rss_lut->lut_entries);
1125
1126 send_msg:
1127         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT,
1128                                     ret, NULL, 0);
1129
1130         return ret;
1131 }
1132
1133 static int
1134 i40e_pf_host_process_cmd_set_rss_key(struct i40e_pf_vf *vf,
1135                                      uint8_t *msg,
1136                                      uint16_t msglen,
1137                                      bool b_op)
1138 {
1139         struct virtchnl_rss_key *rss_key = (struct virtchnl_rss_key *)msg;
1140         uint16_t valid_len;
1141         int ret = I40E_SUCCESS;
1142
1143         if (!b_op) {
1144                 i40e_pf_host_send_msg_to_vf(
1145                         vf,
1146                         VIRTCHNL_OP_DEL_VLAN,
1147                         VIRTCHNL_OP_CONFIG_RSS_KEY, NULL, 0);
1148                 return ret;
1149         }
1150
1151         if (!msg || msglen <= sizeof(struct virtchnl_rss_key)) {
1152                 PMD_DRV_LOG(ERR, "set_rss_key argument too short");
1153                 ret = I40E_ERR_PARAM;
1154                 goto send_msg;
1155         }
1156         valid_len = sizeof(struct virtchnl_rss_key) + rss_key->key_len - 1;
1157         if (msglen < valid_len) {
1158                 PMD_DRV_LOG(ERR, "set_rss_key length mismatch");
1159                 ret = I40E_ERR_PARAM;
1160                 goto send_msg;
1161         }
1162
1163         ret = i40e_set_rss_key(vf->vsi, rss_key->key, rss_key->key_len);
1164
1165 send_msg:
1166         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY,
1167                                     ret, NULL, 0);
1168
1169         return ret;
1170 }
1171
1172 void
1173 i40e_notify_vf_link_status(struct rte_eth_dev *dev, struct i40e_pf_vf *vf)
1174 {
1175         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
1176         struct virtchnl_pf_event event;
1177         uint16_t vf_id = vf->vf_idx;
1178         uint32_t tval, rval;
1179
1180         event.event = VIRTCHNL_EVENT_LINK_CHANGE;
1181         event.event_data.link_event.link_status =
1182                 dev->data->dev_link.link_status;
1183
1184         /* need to convert the ETH_SPEED_xxx into VIRTCHNL_LINK_SPEED_xxx */
1185         switch (dev->data->dev_link.link_speed) {
1186         case ETH_SPEED_NUM_100M:
1187                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_100MB;
1188                 break;
1189         case ETH_SPEED_NUM_1G:
1190                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_1GB;
1191                 break;
1192         case ETH_SPEED_NUM_10G:
1193                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_10GB;
1194                 break;
1195         case ETH_SPEED_NUM_20G:
1196                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_20GB;
1197                 break;
1198         case ETH_SPEED_NUM_25G:
1199                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_25GB;
1200                 break;
1201         case ETH_SPEED_NUM_40G:
1202                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_40GB;
1203                 break;
1204         default:
1205                 event.event_data.link_event.link_speed =
1206                         VIRTCHNL_LINK_SPEED_UNKNOWN;
1207                 break;
1208         }
1209
1210         tval = I40E_READ_REG(hw, I40E_VF_ATQLEN(vf_id));
1211         rval = I40E_READ_REG(hw, I40E_VF_ARQLEN(vf_id));
1212
1213         if (tval & I40E_VF_ATQLEN_ATQLEN_MASK ||
1214             tval & I40E_VF_ATQLEN_ATQENABLE_MASK ||
1215             rval & I40E_VF_ARQLEN_ARQLEN_MASK ||
1216             rval & I40E_VF_ARQLEN_ARQENABLE_MASK)
1217                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_EVENT,
1218                         I40E_SUCCESS, (uint8_t *)&event, sizeof(event));
1219 }
1220
1221 /**
1222  * i40e_vc_notify_vf_reset
1223  * @vf: pointer to the VF structure
1224  *
1225  * indicate a pending reset to the given VF
1226  **/
1227 static void
1228 i40e_vc_notify_vf_reset(struct i40e_pf_vf *vf)
1229 {
1230         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
1231         struct virtchnl_pf_event pfe;
1232         int abs_vf_id;
1233         uint16_t vf_id = vf->vf_idx;
1234
1235         abs_vf_id = vf_id + hw->func_caps.vf_base_id;
1236         pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
1237         pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
1238         i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT, 0, (u8 *)&pfe,
1239                                sizeof(struct virtchnl_pf_event), NULL);
1240 }
1241
1242 static int
1243 i40e_pf_host_process_cmd_request_queues(struct i40e_pf_vf *vf, uint8_t *msg)
1244 {
1245         struct virtchnl_vf_res_request *vfres =
1246                 (struct virtchnl_vf_res_request *)msg;
1247         struct i40e_pf *pf;
1248         uint32_t req_pairs = vfres->num_queue_pairs;
1249         uint32_t cur_pairs = vf->vsi->nb_used_qps;
1250
1251         pf = vf->pf;
1252
1253         if (!rte_is_power_of_2(req_pairs))
1254                 req_pairs = i40e_align_floor(req_pairs) << 1;
1255
1256         if (req_pairs == 0) {
1257                 PMD_DRV_LOG(ERR, "VF %d tried to request 0 queues. Ignoring.\n",
1258                             vf->vf_idx);
1259         } else if (req_pairs > I40E_MAX_QP_NUM_PER_VF) {
1260                 PMD_DRV_LOG(ERR,
1261                             "VF %d tried to request more than %d queues.\n",
1262                             vf->vf_idx,
1263                             I40E_MAX_QP_NUM_PER_VF);
1264                 vfres->num_queue_pairs = I40E_MAX_QP_NUM_PER_VF;
1265         } else if (req_pairs > cur_pairs + pf->qp_pool.num_free) {
1266                 PMD_DRV_LOG(ERR, "VF %d requested %d queues (rounded to %d) "
1267                         "but only %d available\n",
1268                         vf->vf_idx,
1269                         vfres->num_queue_pairs,
1270                         req_pairs,
1271                         cur_pairs + pf->qp_pool.num_free);
1272                 vfres->num_queue_pairs = i40e_align_floor(pf->qp_pool.num_free +
1273                                                           cur_pairs);
1274         } else {
1275                 i40e_vc_notify_vf_reset(vf);
1276                 vf->vsi->nb_qps = req_pairs;
1277                 pf->vf_nb_qps = req_pairs;
1278                 i40e_pf_host_process_cmd_reset_vf(vf);
1279
1280                 return 0;
1281         }
1282
1283         return i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, 0,
1284                                 (u8 *)vfres, sizeof(*vfres));
1285 }
1286
1287 void
1288 i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
1289                            uint16_t abs_vf_id, uint32_t opcode,
1290                            __rte_unused uint32_t retval,
1291                            uint8_t *msg,
1292                            uint16_t msglen)
1293 {
1294         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1295         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1296         struct i40e_pf_vf *vf;
1297         /* AdminQ will pass absolute VF id, transfer to internal vf id */
1298         uint16_t vf_id = abs_vf_id - hw->func_caps.vf_base_id;
1299         struct rte_pmd_i40e_mb_event_param ret_param;
1300         uint64_t first_cycle, cur_cycle;
1301         bool b_op = TRUE;
1302         int ret;
1303
1304         if (vf_id > pf->vf_num - 1 || !pf->vfs) {
1305                 PMD_DRV_LOG(ERR, "invalid argument");
1306                 return;
1307         }
1308
1309         vf = &pf->vfs[vf_id];
1310
1311         cur_cycle = rte_get_timer_cycles();
1312
1313         /* if the VF being blocked, ignore the message and return */
1314         if (cur_cycle < vf->ignore_end_cycle)
1315                 return;
1316
1317         if (!vf->vsi) {
1318                 PMD_DRV_LOG(ERR, "NO VSI associated with VF found");
1319                 i40e_pf_host_send_msg_to_vf(vf, opcode,
1320                         I40E_ERR_NO_AVAILABLE_VSI, NULL, 0);
1321                 goto check;
1322         }
1323
1324         /* perform basic checks on the msg */
1325         ret = virtchnl_vc_validate_vf_msg(&vf->version, opcode, msg, msglen);
1326
1327         /* perform additional checks specific to this driver */
1328         if (opcode == VIRTCHNL_OP_CONFIG_RSS_KEY) {
1329                 struct virtchnl_rss_key *vrk = (struct virtchnl_rss_key *)msg;
1330
1331                 if (vrk->key_len != ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4))
1332                         ret = VIRTCHNL_ERR_PARAM;
1333         } else if (opcode == VIRTCHNL_OP_CONFIG_RSS_LUT) {
1334                 struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg;
1335
1336                 if (vrl->lut_entries != ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4))
1337                         ret = VIRTCHNL_ERR_PARAM;
1338         }
1339
1340         if (ret) {
1341                 PMD_DRV_LOG(ERR, "Invalid message from VF %u, opcode %u, len %u",
1342                             vf_id, opcode, msglen);
1343                 i40e_pf_host_send_msg_to_vf(vf, opcode,
1344                                             I40E_ERR_PARAM, NULL, 0);
1345                 goto check;
1346         }
1347
1348         /**
1349          * initialise structure to send to user application
1350          * will return response from user in retval field
1351          */
1352         ret_param.retval = RTE_PMD_I40E_MB_EVENT_PROCEED;
1353         ret_param.vfid = vf_id;
1354         ret_param.msg_type = opcode;
1355         ret_param.msg = (void *)msg;
1356         ret_param.msglen = msglen;
1357
1358         /**
1359          * Ask user application if we're allowed to perform those functions.
1360          * If we get ret_param.retval == RTE_PMD_I40E_MB_EVENT_PROCEED,
1361          * then business as usual.
1362          * If RTE_PMD_I40E_MB_EVENT_NOOP_ACK or RTE_PMD_I40E_MB_EVENT_NOOP_NACK,
1363          * do nothing and send not_supported to VF. As PF must send a response
1364          * to VF and ACK/NACK is not defined.
1365          */
1366         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_VF_MBOX, &ret_param);
1367         if (ret_param.retval != RTE_PMD_I40E_MB_EVENT_PROCEED) {
1368                 PMD_DRV_LOG(WARNING, "VF to PF message(%d) is not permitted!",
1369                             opcode);
1370                 b_op = FALSE;
1371         }
1372
1373         switch (opcode) {
1374         case VIRTCHNL_OP_VERSION:
1375                 PMD_DRV_LOG(INFO, "OP_VERSION received");
1376                 i40e_pf_host_process_cmd_version(vf, msg, b_op);
1377                 break;
1378         case VIRTCHNL_OP_RESET_VF:
1379                 PMD_DRV_LOG(INFO, "OP_RESET_VF received");
1380                 i40e_pf_host_process_cmd_reset_vf(vf);
1381                 break;
1382         case VIRTCHNL_OP_GET_VF_RESOURCES:
1383                 PMD_DRV_LOG(INFO, "OP_GET_VF_RESOURCES received");
1384                 i40e_pf_host_process_cmd_get_vf_resource(vf, msg, b_op);
1385                 break;
1386         case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1387                 PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES received");
1388                 i40e_pf_host_process_cmd_config_vsi_queues(vf, msg,
1389                                                            msglen, b_op);
1390                 break;
1391         case VIRTCHNL_OP_CONFIG_IRQ_MAP:
1392                 PMD_DRV_LOG(INFO, "OP_CONFIG_IRQ_MAP received");
1393                 i40e_pf_host_process_cmd_config_irq_map(vf, msg, msglen, b_op);
1394                 break;
1395         case VIRTCHNL_OP_ENABLE_QUEUES:
1396                 PMD_DRV_LOG(INFO, "OP_ENABLE_QUEUES received");
1397                 if (b_op) {
1398                         i40e_pf_host_process_cmd_enable_queues(vf, msg, msglen);
1399                         i40e_notify_vf_link_status(dev, vf);
1400                 } else {
1401                         i40e_pf_host_send_msg_to_vf(
1402                                 vf, VIRTCHNL_OP_ENABLE_QUEUES,
1403                                 I40E_NOT_SUPPORTED, NULL, 0);
1404                 }
1405                 break;
1406         case VIRTCHNL_OP_DISABLE_QUEUES:
1407                 PMD_DRV_LOG(INFO, "OP_DISABLE_QUEUE received");
1408                 i40e_pf_host_process_cmd_disable_queues(vf, msg, msglen, b_op);
1409                 break;
1410         case VIRTCHNL_OP_ADD_ETH_ADDR:
1411                 PMD_DRV_LOG(INFO, "OP_ADD_ETHER_ADDRESS received");
1412                 i40e_pf_host_process_cmd_add_ether_address(vf, msg,
1413                                                            msglen, b_op);
1414                 break;
1415         case VIRTCHNL_OP_DEL_ETH_ADDR:
1416                 PMD_DRV_LOG(INFO, "OP_DEL_ETHER_ADDRESS received");
1417                 i40e_pf_host_process_cmd_del_ether_address(vf, msg,
1418                                                            msglen, b_op);
1419                 break;
1420         case VIRTCHNL_OP_ADD_VLAN:
1421                 PMD_DRV_LOG(INFO, "OP_ADD_VLAN received");
1422                 i40e_pf_host_process_cmd_add_vlan(vf, msg, msglen, b_op);
1423                 break;
1424         case VIRTCHNL_OP_DEL_VLAN:
1425                 PMD_DRV_LOG(INFO, "OP_DEL_VLAN received");
1426                 i40e_pf_host_process_cmd_del_vlan(vf, msg, msglen, b_op);
1427                 break;
1428         case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1429                 PMD_DRV_LOG(INFO, "OP_CONFIG_PROMISCUOUS_MODE received");
1430                 i40e_pf_host_process_cmd_config_promisc_mode(vf, msg,
1431                                                              msglen, b_op);
1432                 break;
1433         case VIRTCHNL_OP_GET_STATS:
1434                 PMD_DRV_LOG(INFO, "OP_GET_STATS received");
1435                 i40e_pf_host_process_cmd_get_stats(vf, b_op);
1436                 break;
1437         case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
1438                 PMD_DRV_LOG(INFO, "OP_ENABLE_VLAN_STRIPPING received");
1439                 i40e_pf_host_process_cmd_enable_vlan_strip(vf, b_op);
1440                 break;
1441         case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
1442                 PMD_DRV_LOG(INFO, "OP_DISABLE_VLAN_STRIPPING received");
1443                 i40e_pf_host_process_cmd_disable_vlan_strip(vf, b_op);
1444                 break;
1445         case VIRTCHNL_OP_CONFIG_RSS_LUT:
1446                 PMD_DRV_LOG(INFO, "OP_CONFIG_RSS_LUT received");
1447                 i40e_pf_host_process_cmd_set_rss_lut(vf, msg, msglen, b_op);
1448                 break;
1449         case VIRTCHNL_OP_CONFIG_RSS_KEY:
1450                 PMD_DRV_LOG(INFO, "OP_CONFIG_RSS_KEY received");
1451                 i40e_pf_host_process_cmd_set_rss_key(vf, msg, msglen, b_op);
1452                 break;
1453         case VIRTCHNL_OP_REQUEST_QUEUES:
1454                 PMD_DRV_LOG(INFO, "OP_REQUEST_QUEUES received");
1455                 i40e_pf_host_process_cmd_request_queues(vf, msg);
1456                 break;
1457
1458         /* Don't add command supported below, which will
1459          * return an error code.
1460          */
1461         default:
1462                 PMD_DRV_LOG(ERR, "%u received, not supported", opcode);
1463                 i40e_pf_host_send_msg_to_vf(vf, opcode, I40E_ERR_PARAM,
1464                                                                 NULL, 0);
1465                 break;
1466         }
1467
1468 check:
1469         /* if message validation not enabled */
1470         if (!pf->vf_msg_cfg.max_msg)
1471                 return;
1472
1473         /* store current cycle */
1474         vf->msg_timestamps[vf->msg_index++] = cur_cycle;
1475         vf->msg_index %= pf->vf_msg_cfg.max_msg;
1476
1477         /* read the timestamp of earliest message */
1478         first_cycle = vf->msg_timestamps[vf->msg_index];
1479
1480         /*
1481          * If the time span from the arrival time of first message to
1482          * the arrival time of current message smaller than `period`,
1483          * that mean too much message in this statistic period.
1484          */
1485         if (first_cycle && cur_cycle < first_cycle +
1486                         (uint64_t)pf->vf_msg_cfg.period * rte_get_timer_hz()) {
1487                 PMD_DRV_LOG(WARNING, "VF %u too much messages(%u in %u"
1488                                 " seconds),\n\tany new message from which"
1489                                 " will be ignored during next %u seconds!",
1490                                 vf_id, pf->vf_msg_cfg.max_msg,
1491                                 (uint32_t)((cur_cycle - first_cycle +
1492                                 rte_get_timer_hz() - 1) / rte_get_timer_hz()),
1493                                 pf->vf_msg_cfg.ignore_second);
1494                 vf->ignore_end_cycle = rte_get_timer_cycles() +
1495                                 pf->vf_msg_cfg.ignore_second *
1496                                 rte_get_timer_hz();
1497         }
1498 }
1499
1500 int
1501 i40e_pf_host_init(struct rte_eth_dev *dev)
1502 {
1503         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1504         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1505         size_t size;
1506         int ret, i;
1507         uint32_t val;
1508
1509         PMD_INIT_FUNC_TRACE();
1510
1511         /**
1512          * return if SRIOV not enabled, VF number not configured or
1513          * no queue assigned.
1514          */
1515         if(!hw->func_caps.sr_iov_1_1 || pf->vf_num == 0 || pf->vf_nb_qps == 0)
1516                 return I40E_SUCCESS;
1517
1518         /* Allocate memory to store VF structure */
1519         pf->vfs = rte_zmalloc("i40e_pf_vf",sizeof(*pf->vfs) * pf->vf_num, 0);
1520         if(pf->vfs == NULL)
1521                 return -ENOMEM;
1522
1523         /* Disable irq0 for VFR event */
1524         i40e_pf_disable_irq0(hw);
1525
1526         /* Disable VF link status interrupt */
1527         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1528         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1529         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1530         I40E_WRITE_FLUSH(hw);
1531
1532         /* calculate the memory size for storing timestamp of messages */
1533         size = pf->vf_msg_cfg.max_msg * sizeof(uint64_t);
1534
1535         for (i = 0; i < pf->vf_num; i++) {
1536                 pf->vfs[i].pf = pf;
1537                 pf->vfs[i].state = I40E_VF_INACTIVE;
1538                 pf->vfs[i].vf_idx = i;
1539
1540                 if (size) {
1541                         /* allocate memory for store timestamp of messages */
1542                         pf->vfs[i].msg_timestamps =
1543                                         rte_zmalloc("i40e_pf_vf", size, 0);
1544                         if (pf->vfs[i].msg_timestamps == NULL) {
1545                                 ret = -ENOMEM;
1546                                 goto fail;
1547                         }
1548                 }
1549
1550                 ret = i40e_pf_host_vf_reset(&pf->vfs[i], 0);
1551                 if (ret != I40E_SUCCESS)
1552                         goto fail;
1553         }
1554
1555         RTE_ETH_DEV_SRIOV(dev).active = pf->vf_num;
1556         /* restore irq0 */
1557         i40e_pf_enable_irq0(hw);
1558
1559         return I40E_SUCCESS;
1560
1561 fail:
1562         for (; i >= 0; i--)
1563                 rte_free(pf->vfs[i].msg_timestamps);
1564         rte_free(pf->vfs);
1565         i40e_pf_enable_irq0(hw);
1566
1567         return ret;
1568 }
1569
1570 int
1571 i40e_pf_host_uninit(struct rte_eth_dev *dev)
1572 {
1573         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1574         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1575         uint32_t val;
1576         int i;
1577
1578         PMD_INIT_FUNC_TRACE();
1579
1580         /**
1581          * return if SRIOV not enabled, VF number not configured or
1582          * no queue assigned.
1583          */
1584         if ((!hw->func_caps.sr_iov_1_1) ||
1585                 (pf->vf_num == 0) ||
1586                 (pf->vf_nb_qps == 0))
1587                 return I40E_SUCCESS;
1588
1589         /* free memory for store timestamp of messages */
1590         for (i = 0; i < pf->vf_num; i++)
1591                 rte_free(pf->vfs[i].msg_timestamps);
1592
1593         /* free memory to store VF structure */
1594         rte_free(pf->vfs);
1595         pf->vfs = NULL;
1596
1597         /* Disable irq0 for VFR event */
1598         i40e_pf_disable_irq0(hw);
1599
1600         /* Disable VF link status interrupt */
1601         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1602         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1603         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1604         I40E_WRITE_FLUSH(hw);
1605
1606         return I40E_SUCCESS;
1607 }