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
i40e_pf_vf_queues_mapping(struct i40e_pf_vf * vf)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
i40e_pf_host_vf_reset(struct i40e_pf_vf * vf,bool do_hw_reset)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
i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf * vf,uint32_t opcode,uint32_t retval,uint8_t * msg,uint16_t msglen)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
i40e_pf_host_process_cmd_version(struct i40e_pf_vf * vf,uint8_t * msg,bool b_op)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
i40e_pf_host_process_cmd_reset_vf(struct i40e_pf_vf * vf)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
i40e_pf_host_process_cmd_get_vf_resource(struct i40e_pf_vf * vf,uint8_t * msg,bool b_op)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
i40e_pf_host_hmc_config_rxq(struct i40e_hw * hw,struct i40e_pf_vf * vf,struct virtchnl_rxq_info * rxq,uint8_t crcstrip)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
i40e_vsi_get_tc_of_queue(struct i40e_vsi * vsi,uint16_t queue_id)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
i40e_pf_host_hmc_config_txq(struct i40e_hw * hw,struct i40e_pf_vf * vf,struct virtchnl_txq_info * txq)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
i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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
i40e_pf_config_irq_link_list(struct i40e_pf_vf * vf,struct virtchnl_vector_map * vvm)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
i40e_pf_host_process_cmd_config_irq_map(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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
i40e_pf_host_switch_queues(struct i40e_pf_vf * vf,struct virtchnl_queue_select * qsel,bool on)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
i40e_pf_host_process_cmd_enable_queues(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen)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
i40e_pf_host_process_cmd_disable_queues(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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
i40e_pf_host_process_cmd_add_ether_address(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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 = I40E_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
i40e_pf_host_process_cmd_del_ether_address(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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
i40e_pf_host_process_cmd_add_vlan(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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
i40e_pf_host_process_cmd_del_vlan(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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
i40e_pf_host_process_cmd_config_promisc_mode(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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
i40e_pf_host_process_cmd_get_stats(struct i40e_pf_vf * vf,bool b_op)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
i40e_pf_host_process_cmd_enable_vlan_strip(struct i40e_pf_vf * vf,bool b_op)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
i40e_pf_host_process_cmd_disable_vlan_strip(struct i40e_pf_vf * vf,bool b_op)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
i40e_pf_host_process_cmd_set_rss_lut(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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
i40e_pf_host_process_cmd_set_rss_key(struct i40e_pf_vf * vf,uint8_t * msg,uint16_t msglen,bool b_op)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
i40e_notify_vf_link_status(struct rte_eth_dev * dev,struct i40e_pf_vf * vf)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
i40e_vc_notify_vf_reset(struct i40e_pf_vf * vf)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
i40e_pf_host_process_cmd_request_queues(struct i40e_pf_vf * vf,uint8_t * msg)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
i40e_pf_host_handle_vf_msg(struct rte_eth_dev * dev,uint16_t abs_vf_id,uint32_t opcode,__rte_unused uint32_t retval,uint8_t * msg,uint16_t msglen)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
i40e_pf_host_init(struct rte_eth_dev * dev)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
i40e_pf_host_uninit(struct rte_eth_dev * dev)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 }
1608