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1// SPDX-License-Identifier: GPL-2.02/* Copyright(c) 2013 - 2018 Intel Corporation. */3 4#include <linux/list.h>5#include <linux/errno.h>6#include <linux/net/intel/i40e_client.h>7 8#include "i40e.h"9 10static LIST_HEAD(i40e_devices);11static DEFINE_MUTEX(i40e_device_mutex);12DEFINE_IDA(i40e_client_ida);13 14static int i40e_client_virtchnl_send(struct i40e_info *ldev,15 struct i40e_client *client,16 u32 vf_id, u8 *msg, u16 len);17 18static int i40e_client_setup_qvlist(struct i40e_info *ldev,19 struct i40e_client *client,20 struct i40e_qvlist_info *qvlist_info);21 22static void i40e_client_request_reset(struct i40e_info *ldev,23 struct i40e_client *client,24 u32 reset_level);25 26static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev,27 struct i40e_client *client,28 bool is_vf, u32 vf_id,29 u32 flag, u32 valid_flag);30 31static struct i40e_ops i40e_lan_ops = {32 .virtchnl_send = i40e_client_virtchnl_send,33 .setup_qvlist = i40e_client_setup_qvlist,34 .request_reset = i40e_client_request_reset,35 .update_vsi_ctxt = i40e_client_update_vsi_ctxt,36};37 38/**39 * i40e_client_get_params - Get the params that can change at runtime40 * @vsi: the VSI with the message41 * @params: client param struct42 *43 **/44static45int i40e_client_get_params(struct i40e_vsi *vsi, struct i40e_params *params)46{47 struct i40e_dcbx_config *dcb_cfg = &vsi->back->hw.local_dcbx_config;48 int i = 0;49 50 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {51 u8 tc = dcb_cfg->etscfg.prioritytable[i];52 u16 qs_handle;53 54 /* If TC is not enabled for VSI use TC0 for UP */55 if (!(vsi->tc_config.enabled_tc & BIT(tc)))56 tc = 0;57 58 qs_handle = le16_to_cpu(vsi->info.qs_handle[tc]);59 params->qos.prio_qos[i].tc = tc;60 params->qos.prio_qos[i].qs_handle = qs_handle;61 if (qs_handle == I40E_AQ_VSI_QS_HANDLE_INVALID) {62 dev_err(&vsi->back->pdev->dev, "Invalid queue set handle for TC = %d, vsi id = %d\n",63 tc, vsi->id);64 return -EINVAL;65 }66 }67 68 params->mtu = vsi->netdev->mtu;69 return 0;70}71 72/**73 * i40e_notify_client_of_vf_msg - call the client vf message callback74 * @vsi: the VSI with the message75 * @vf_id: the absolute VF id that sent the message76 * @msg: message buffer77 * @len: length of the message78 *79 * If there is a client to this VSI, call the client80 **/81void82i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, u8 *msg, u16 len)83{84 struct i40e_pf *pf = vsi->back;85 struct i40e_client_instance *cdev = pf->cinst;86 87 if (!cdev || !cdev->client)88 return;89 if (!cdev->client->ops || !cdev->client->ops->virtchnl_receive) {90 dev_dbg(&pf->pdev->dev,91 "Cannot locate client instance virtual channel receive routine\n");92 return;93 }94 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {95 dev_dbg(&pf->pdev->dev, "Client is not open, abort virtchnl_receive\n");96 return;97 }98 cdev->client->ops->virtchnl_receive(&cdev->lan_info, cdev->client,99 vf_id, msg, len);100}101 102/**103 * i40e_notify_client_of_l2_param_changes - call the client notify callback104 * @pf: PF device pointer105 *106 * If there is a client, call its callback107 **/108void i40e_notify_client_of_l2_param_changes(struct i40e_pf *pf)109{110 struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);111 struct i40e_client_instance *cdev = pf->cinst;112 struct i40e_params params;113 114 if (!cdev || !cdev->client)115 return;116 if (!cdev->client->ops || !cdev->client->ops->l2_param_change) {117 dev_dbg(&pf->pdev->dev,118 "Cannot locate client instance l2_param_change routine\n");119 return;120 }121 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {122 dev_dbg(&pf->pdev->dev,123 "Client is not open, abort l2 param change\n");124 return;125 }126 memset(¶ms, 0, sizeof(params));127 i40e_client_get_params(vsi, ¶ms);128 memcpy(&cdev->lan_info.params, ¶ms, sizeof(struct i40e_params));129 cdev->client->ops->l2_param_change(&cdev->lan_info, cdev->client,130 ¶ms);131}132 133/**134 * i40e_client_release_qvlist - release MSI-X vector mapping for client135 * @ldev: pointer to L2 context.136 *137 **/138static void i40e_client_release_qvlist(struct i40e_info *ldev)139{140 struct i40e_qvlist_info *qvlist_info = ldev->qvlist_info;141 u32 i;142 143 if (!ldev->qvlist_info)144 return;145 146 for (i = 0; i < qvlist_info->num_vectors; i++) {147 struct i40e_pf *pf = ldev->pf;148 struct i40e_qv_info *qv_info;149 u32 reg_idx;150 151 qv_info = &qvlist_info->qv_info[i];152 reg_idx = I40E_PFINT_LNKLSTN(qv_info->v_idx - 1);153 wr32(&pf->hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK);154 }155 kfree(ldev->qvlist_info);156 ldev->qvlist_info = NULL;157}158 159/**160 * i40e_notify_client_of_netdev_close - call the client close callback161 * @pf: PF device pointer162 * @reset: true when close called due to a reset pending163 *164 * If there is a client to this netdev, call the client with close165 **/166void i40e_notify_client_of_netdev_close(struct i40e_pf *pf, bool reset)167{168 struct i40e_client_instance *cdev = pf->cinst;169 170 if (!cdev || !cdev->client)171 return;172 if (!cdev->client->ops || !cdev->client->ops->close) {173 dev_dbg(&pf->pdev->dev,174 "Cannot locate client instance close routine\n");175 return;176 }177 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {178 dev_dbg(&pf->pdev->dev, "Client is not open, abort close\n");179 return;180 }181 cdev->client->ops->close(&cdev->lan_info, cdev->client, reset);182 clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);183 i40e_client_release_qvlist(&cdev->lan_info);184}185 186/**187 * i40e_notify_client_of_vf_reset - call the client vf reset callback188 * @pf: PF device pointer189 * @vf_id: asolute id of VF being reset190 *191 * If there is a client attached to this PF, notify when a VF is reset192 **/193void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id)194{195 struct i40e_client_instance *cdev = pf->cinst;196 197 if (!cdev || !cdev->client)198 return;199 if (!cdev->client->ops || !cdev->client->ops->vf_reset) {200 dev_dbg(&pf->pdev->dev,201 "Cannot locate client instance VF reset routine\n");202 return;203 }204 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {205 dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-reset\n");206 return;207 }208 cdev->client->ops->vf_reset(&cdev->lan_info, cdev->client, vf_id);209}210 211/**212 * i40e_notify_client_of_vf_enable - call the client vf notification callback213 * @pf: PF device pointer214 * @num_vfs: the number of VFs currently enabled, 0 for disable215 *216 * If there is a client attached to this PF, call its VF notification routine217 **/218void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs)219{220 struct i40e_client_instance *cdev = pf->cinst;221 222 if (!cdev || !cdev->client)223 return;224 if (!cdev->client->ops || !cdev->client->ops->vf_enable) {225 dev_dbg(&pf->pdev->dev,226 "Cannot locate client instance VF enable routine\n");227 return;228 }229 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED,230 &cdev->state)) {231 dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-enable\n");232 return;233 }234 cdev->client->ops->vf_enable(&cdev->lan_info, cdev->client, num_vfs);235}236 237/**238 * i40e_vf_client_capable - ask the client if it likes the specified VF239 * @pf: PF device pointer240 * @vf_id: the VF in question241 *242 * If there is a client of the specified type attached to this PF, call243 * its vf_capable routine244 **/245int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id)246{247 struct i40e_client_instance *cdev = pf->cinst;248 int capable = false;249 250 if (!cdev || !cdev->client)251 goto out;252 if (!cdev->client->ops || !cdev->client->ops->vf_capable) {253 dev_dbg(&pf->pdev->dev,254 "Cannot locate client instance VF capability routine\n");255 goto out;256 }257 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state))258 goto out;259 260 capable = cdev->client->ops->vf_capable(&cdev->lan_info,261 cdev->client,262 vf_id);263out:264 return capable;265}266 267void i40e_client_update_msix_info(struct i40e_pf *pf)268{269 struct i40e_client_instance *cdev = pf->cinst;270 271 if (!cdev || !cdev->client)272 return;273 274 cdev->lan_info.msix_count = pf->num_iwarp_msix;275 cdev->lan_info.msix_entries = &pf->msix_entries[pf->iwarp_base_vector];276}277 278static void i40e_auxiliary_dev_release(struct device *dev)279{280 struct i40e_auxiliary_device *i40e_aux_dev =281 container_of(dev, struct i40e_auxiliary_device, aux_dev.dev);282 283 ida_free(&i40e_client_ida, i40e_aux_dev->aux_dev.id);284 kfree(i40e_aux_dev);285}286 287static int i40e_register_auxiliary_dev(struct i40e_info *ldev, const char *name)288{289 struct i40e_auxiliary_device *i40e_aux_dev;290 struct pci_dev *pdev = ldev->pcidev;291 struct auxiliary_device *aux_dev;292 int ret;293 294 i40e_aux_dev = kzalloc(sizeof(*i40e_aux_dev), GFP_KERNEL);295 if (!i40e_aux_dev)296 return -ENOMEM;297 298 i40e_aux_dev->ldev = ldev;299 300 aux_dev = &i40e_aux_dev->aux_dev;301 aux_dev->name = name;302 aux_dev->dev.parent = &pdev->dev;303 aux_dev->dev.release = i40e_auxiliary_dev_release;304 ldev->aux_dev = aux_dev;305 306 ret = ida_alloc(&i40e_client_ida, GFP_KERNEL);307 if (ret < 0) {308 kfree(i40e_aux_dev);309 return ret;310 }311 aux_dev->id = ret;312 313 ret = auxiliary_device_init(aux_dev);314 if (ret < 0) {315 ida_free(&i40e_client_ida, aux_dev->id);316 kfree(i40e_aux_dev);317 return ret;318 }319 320 ret = auxiliary_device_add(aux_dev);321 if (ret) {322 auxiliary_device_uninit(aux_dev);323 return ret;324 }325 326 return ret;327}328 329/**330 * i40e_client_add_instance - add a client instance struct to the instance list331 * @pf: pointer to the board struct332 *333 **/334static void i40e_client_add_instance(struct i40e_pf *pf)335{336 struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);337 struct i40e_client_instance *cdev = NULL;338 struct netdev_hw_addr *mac = NULL;339 340 cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);341 if (!cdev)342 return;343 344 cdev->lan_info.pf = (void *)pf;345 cdev->lan_info.netdev = vsi->netdev;346 cdev->lan_info.pcidev = pf->pdev;347 cdev->lan_info.fid = pf->hw.pf_id;348 cdev->lan_info.ftype = I40E_CLIENT_FTYPE_PF;349 cdev->lan_info.hw_addr = pf->hw.hw_addr;350 cdev->lan_info.ops = &i40e_lan_ops;351 cdev->lan_info.version.major = I40E_CLIENT_VERSION_MAJOR;352 cdev->lan_info.version.minor = I40E_CLIENT_VERSION_MINOR;353 cdev->lan_info.version.build = I40E_CLIENT_VERSION_BUILD;354 cdev->lan_info.fw_maj_ver = pf->hw.aq.fw_maj_ver;355 cdev->lan_info.fw_min_ver = pf->hw.aq.fw_min_ver;356 cdev->lan_info.fw_build = pf->hw.aq.fw_build;357 set_bit(__I40E_CLIENT_INSTANCE_NONE, &cdev->state);358 359 if (i40e_client_get_params(vsi, &cdev->lan_info.params))360 goto free_cdev;361 362 mac = list_first_entry(&cdev->lan_info.netdev->dev_addrs.list,363 struct netdev_hw_addr, list);364 if (mac)365 ether_addr_copy(cdev->lan_info.lanmac, mac->addr);366 else367 dev_err(&pf->pdev->dev, "MAC address list is empty!\n");368 369 pf->cinst = cdev;370 371 cdev->lan_info.msix_count = pf->num_iwarp_msix;372 cdev->lan_info.msix_entries = &pf->msix_entries[pf->iwarp_base_vector];373 374 if (i40e_register_auxiliary_dev(&cdev->lan_info, "iwarp"))375 goto free_cdev;376 377 return;378 379free_cdev:380 kfree(cdev);381 pf->cinst = NULL;382}383 384/**385 * i40e_client_del_instance - removes a client instance from the list386 * @pf: pointer to the board struct387 *388 **/389static390void i40e_client_del_instance(struct i40e_pf *pf)391{392 kfree(pf->cinst);393 pf->cinst = NULL;394}395 396/**397 * i40e_client_subtask - client maintenance work398 * @pf: board private structure399 **/400void i40e_client_subtask(struct i40e_pf *pf)401{402 struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);403 struct i40e_client_instance *cdev;404 struct i40e_client *client;405 int ret = 0;406 407 if (!test_and_clear_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state))408 return;409 cdev = pf->cinst;410 411 /* If we're down or resetting, just bail */412 if (test_bit(__I40E_DOWN, pf->state) ||413 test_bit(__I40E_CONFIG_BUSY, pf->state))414 return;415 416 if (!cdev || !cdev->client)417 return;418 419 client = cdev->client;420 421 /* Here we handle client opens. If the client is down, and422 * the netdev is registered, then open the client.423 */424 if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {425 if (vsi->netdev_registered &&426 client->ops && client->ops->open) {427 set_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);428 ret = client->ops->open(&cdev->lan_info, client);429 if (ret) {430 /* Remove failed client instance */431 clear_bit(__I40E_CLIENT_INSTANCE_OPENED,432 &cdev->state);433 return;434 }435 }436 }437 438 /* enable/disable PE TCP_ENA flag based on netdev down/up439 */440 if (test_bit(__I40E_VSI_DOWN, vsi->state))441 i40e_client_update_vsi_ctxt(&cdev->lan_info, client,442 0, 0, 0,443 I40E_CLIENT_VSI_FLAG_TCP_ENABLE);444 else445 i40e_client_update_vsi_ctxt(&cdev->lan_info, client,446 0, 0,447 I40E_CLIENT_VSI_FLAG_TCP_ENABLE,448 I40E_CLIENT_VSI_FLAG_TCP_ENABLE);449}450 451/**452 * i40e_lan_add_device - add a lan device struct to the list of lan devices453 * @pf: pointer to the board struct454 *455 * Returns 0 on success or none 0 on error456 **/457int i40e_lan_add_device(struct i40e_pf *pf)458{459 struct i40e_device *ldev;460 int ret = 0;461 462 mutex_lock(&i40e_device_mutex);463 list_for_each_entry(ldev, &i40e_devices, list) {464 if (ldev->pf == pf) {465 ret = -EEXIST;466 goto out;467 }468 }469 ldev = kzalloc(sizeof(*ldev), GFP_KERNEL);470 if (!ldev) {471 ret = -ENOMEM;472 goto out;473 }474 ldev->pf = pf;475 INIT_LIST_HEAD(&ldev->list);476 list_add(&ldev->list, &i40e_devices);477 dev_info(&pf->pdev->dev, "Added LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n",478 pf->hw.pf_id, pf->hw.bus.bus_id,479 pf->hw.bus.device, pf->hw.bus.func);480 481 i40e_client_add_instance(pf);482 483 set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);484 i40e_service_event_schedule(pf);485 486out:487 mutex_unlock(&i40e_device_mutex);488 return ret;489}490 491/**492 * i40e_lan_del_device - removes a lan device from the device list493 * @pf: pointer to the board struct494 *495 * Returns 0 on success or non-0 on error496 **/497int i40e_lan_del_device(struct i40e_pf *pf)498{499 struct auxiliary_device *aux_dev = pf->cinst->lan_info.aux_dev;500 struct i40e_device *ldev, *tmp;501 int ret = -ENODEV;502 503 auxiliary_device_delete(aux_dev);504 auxiliary_device_uninit(aux_dev);505 506 /* First, remove any client instance. */507 i40e_client_del_instance(pf);508 509 mutex_lock(&i40e_device_mutex);510 list_for_each_entry_safe(ldev, tmp, &i40e_devices, list) {511 if (ldev->pf == pf) {512 dev_info(&pf->pdev->dev, "Deleted LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n",513 pf->hw.pf_id, pf->hw.bus.bus_id,514 pf->hw.bus.device, pf->hw.bus.func);515 list_del(&ldev->list);516 kfree(ldev);517 ret = 0;518 break;519 }520 }521 mutex_unlock(&i40e_device_mutex);522 return ret;523}524 525/**526 * i40e_client_virtchnl_send - TBD527 * @ldev: pointer to L2 context528 * @client: Client pointer529 * @vf_id: absolute VF identifier530 * @msg: message buffer531 * @len: length of message buffer532 *533 * Return 0 on success or < 0 on error534 **/535static int i40e_client_virtchnl_send(struct i40e_info *ldev,536 struct i40e_client *client,537 u32 vf_id, u8 *msg, u16 len)538{539 struct i40e_pf *pf = ldev->pf;540 struct i40e_hw *hw = &pf->hw;541 int err;542 543 err = i40e_aq_send_msg_to_vf(hw, vf_id, VIRTCHNL_OP_RDMA,544 0, msg, len, NULL);545 if (err)546 dev_err(&pf->pdev->dev, "Unable to send iWarp message to VF, error %d, aq status %d\n",547 err, hw->aq.asq_last_status);548 549 return err;550}551 552/**553 * i40e_client_setup_qvlist554 * @ldev: pointer to L2 context.555 * @client: Client pointer.556 * @qvlist_info: queue and vector list557 *558 * Return 0 on success or < 0 on error559 **/560static int i40e_client_setup_qvlist(struct i40e_info *ldev,561 struct i40e_client *client,562 struct i40e_qvlist_info *qvlist_info)563{564 struct i40e_pf *pf = ldev->pf;565 struct i40e_hw *hw = &pf->hw;566 struct i40e_qv_info *qv_info;567 u32 v_idx, i, reg_idx, reg;568 569 ldev->qvlist_info = kzalloc(struct_size(ldev->qvlist_info, qv_info,570 qvlist_info->num_vectors), GFP_KERNEL);571 if (!ldev->qvlist_info)572 return -ENOMEM;573 ldev->qvlist_info->num_vectors = qvlist_info->num_vectors;574 575 for (i = 0; i < qvlist_info->num_vectors; i++) {576 qv_info = &qvlist_info->qv_info[i];577 v_idx = qv_info->v_idx;578 579 /* Validate vector id belongs to this client */580 if ((v_idx >= (pf->iwarp_base_vector + pf->num_iwarp_msix)) ||581 (v_idx < pf->iwarp_base_vector))582 goto err;583 584 ldev->qvlist_info->qv_info[i] = *qv_info;585 reg_idx = I40E_PFINT_LNKLSTN(v_idx - 1);586 587 if (qv_info->ceq_idx == I40E_QUEUE_INVALID_IDX) {588 /* Special case - No CEQ mapped on this vector */589 wr32(hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK);590 } else {591 reg = (qv_info->ceq_idx &592 I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK) |593 (I40E_QUEUE_TYPE_PE_CEQ <<594 I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);595 wr32(hw, reg_idx, reg);596 597 reg = (I40E_PFINT_CEQCTL_CAUSE_ENA_MASK |598 (v_idx << I40E_PFINT_CEQCTL_MSIX_INDX_SHIFT) |599 (qv_info->itr_idx <<600 I40E_PFINT_CEQCTL_ITR_INDX_SHIFT) |601 (I40E_QUEUE_END_OF_LIST <<602 I40E_PFINT_CEQCTL_NEXTQ_INDX_SHIFT));603 wr32(hw, I40E_PFINT_CEQCTL(qv_info->ceq_idx), reg);604 }605 if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) {606 reg = (I40E_PFINT_AEQCTL_CAUSE_ENA_MASK |607 (v_idx << I40E_PFINT_AEQCTL_MSIX_INDX_SHIFT) |608 (qv_info->itr_idx <<609 I40E_PFINT_AEQCTL_ITR_INDX_SHIFT));610 611 wr32(hw, I40E_PFINT_AEQCTL, reg);612 }613 }614 /* Mitigate sync problems with iwarp VF driver */615 i40e_flush(hw);616 return 0;617err:618 kfree(ldev->qvlist_info);619 ldev->qvlist_info = NULL;620 return -EINVAL;621}622 623/**624 * i40e_client_request_reset625 * @ldev: pointer to L2 context.626 * @client: Client pointer.627 * @reset_level: reset level628 **/629static void i40e_client_request_reset(struct i40e_info *ldev,630 struct i40e_client *client,631 u32 reset_level)632{633 struct i40e_pf *pf = ldev->pf;634 635 switch (reset_level) {636 case I40E_CLIENT_RESET_LEVEL_PF:637 set_bit(__I40E_PF_RESET_REQUESTED, pf->state);638 break;639 case I40E_CLIENT_RESET_LEVEL_CORE:640 set_bit(__I40E_PF_RESET_REQUESTED, pf->state);641 break;642 default:643 dev_warn(&pf->pdev->dev,644 "Client for PF id %d requested an unsupported reset: %d.\n",645 pf->hw.pf_id, reset_level);646 break;647 }648 649 i40e_service_event_schedule(pf);650}651 652/**653 * i40e_client_update_vsi_ctxt654 * @ldev: pointer to L2 context.655 * @client: Client pointer.656 * @is_vf: if this for the VF657 * @vf_id: if is_vf true this carries the vf_id658 * @flag: Any device level setting that needs to be done for PE659 * @valid_flag: Bits in this match up and enable changing of flag bits660 *661 * Return 0 on success or < 0 on error662 **/663static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev,664 struct i40e_client *client,665 bool is_vf, u32 vf_id,666 u32 flag, u32 valid_flag)667{668 struct i40e_vsi *vsi = i40e_pf_get_main_vsi(ldev->pf);669 struct i40e_pf *pf = ldev->pf;670 struct i40e_vsi_context ctxt;671 bool update = true;672 int err;673 674 /* TODO: for now do not allow setting VF's VSI setting */675 if (is_vf)676 return -EINVAL;677 678 ctxt.seid = pf->main_vsi_seid;679 ctxt.pf_num = pf->hw.pf_id;680 err = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL);681 ctxt.flags = I40E_AQ_VSI_TYPE_PF;682 if (err) {683 dev_info(&pf->pdev->dev,684 "couldn't get PF vsi config, err %pe aq_err %s\n",685 ERR_PTR(err),686 i40e_aq_str(&pf->hw,687 pf->hw.aq.asq_last_status));688 return -ENOENT;689 }690 691 if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE) &&692 (flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE)) {693 ctxt.info.valid_sections =694 cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID);695 ctxt.info.queueing_opt_flags |= I40E_AQ_VSI_QUE_OPT_TCP_ENA;696 } else if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE) &&697 !(flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE)) {698 ctxt.info.valid_sections =699 cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID);700 ctxt.info.queueing_opt_flags &= ~I40E_AQ_VSI_QUE_OPT_TCP_ENA;701 } else {702 update = false;703 dev_warn(&pf->pdev->dev,704 "Client for PF id %d request an unsupported Config: %x.\n",705 pf->hw.pf_id, flag);706 }707 708 if (update) {709 err = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);710 if (err) {711 dev_info(&pf->pdev->dev,712 "update VSI ctxt for PE failed, err %pe aq_err %s\n",713 ERR_PTR(err),714 i40e_aq_str(&pf->hw,715 pf->hw.aq.asq_last_status));716 }717 }718 return err;719}720 721void i40e_client_device_register(struct i40e_info *ldev, struct i40e_client *client)722{723 struct i40e_pf *pf = ldev->pf;724 725 pf->cinst->client = client;726 set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);727 i40e_service_event_schedule(pf);728}729EXPORT_SYMBOL_GPL(i40e_client_device_register);730 731void i40e_client_device_unregister(struct i40e_info *ldev)732{733 struct i40e_pf *pf = ldev->pf;734 struct i40e_client_instance *cdev = pf->cinst;735 736 if (!cdev)737 return;738 739 while (test_and_set_bit(__I40E_SERVICE_SCHED, pf->state))740 usleep_range(500, 1000);741 742 if (test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {743 cdev->client->ops->close(&cdev->lan_info, cdev->client, false);744 clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);745 i40e_client_release_qvlist(&cdev->lan_info);746 }747 748 pf->cinst->client = NULL;749 clear_bit(__I40E_SERVICE_SCHED, pf->state);750}751EXPORT_SYMBOL_GPL(i40e_client_device_unregister);752