There is a spelling mistake in a DP_VERBOSE debug message. Fix it. (Using American English spelling as this is the most common way to spell this in the kernel). Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			1724 lines
		
	
	
		
			48 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1724 lines
		
	
	
		
			48 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* QLogic qed NIC Driver
 | |
|  * Copyright (c) 2015-2017  QLogic Corporation
 | |
|  *
 | |
|  * This software is available to you under a choice of one of two
 | |
|  * licenses.  You may choose to be licensed under the terms of the GNU
 | |
|  * General Public License (GPL) Version 2, available from the file
 | |
|  * COPYING in the main directory of this source tree, or the
 | |
|  * OpenIB.org BSD license below:
 | |
|  *
 | |
|  *     Redistribution and use in source and binary forms, with or
 | |
|  *     without modification, are permitted provided that the following
 | |
|  *     conditions are met:
 | |
|  *
 | |
|  *      - Redistributions of source code must retain the above
 | |
|  *        copyright notice, this list of conditions and the following
 | |
|  *        disclaimer.
 | |
|  *
 | |
|  *      - Redistributions in binary form must reproduce the above
 | |
|  *        copyright notice, this list of conditions and the following
 | |
|  *        disclaimer in the documentation and /or other materials
 | |
|  *        provided with the distribution.
 | |
|  *
 | |
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 | |
|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 | |
|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 | |
|  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 | |
|  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 | |
|  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 | |
|  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 | |
|  * SOFTWARE.
 | |
|  */
 | |
| 
 | |
| #include <linux/crc32.h>
 | |
| #include <linux/etherdevice.h>
 | |
| #include "qed.h"
 | |
| #include "qed_sriov.h"
 | |
| #include "qed_vf.h"
 | |
| 
 | |
| static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	void *p_tlv;
 | |
| 
 | |
| 	/* This lock is released when we receive PF's response
 | |
| 	 * in qed_send_msg2pf().
 | |
| 	 * So, qed_vf_pf_prep() and qed_send_msg2pf()
 | |
| 	 * must come in sequence.
 | |
| 	 */
 | |
| 	mutex_lock(&(p_iov->mutex));
 | |
| 
 | |
| 	DP_VERBOSE(p_hwfn,
 | |
| 		   QED_MSG_IOV,
 | |
| 		   "preparing to send 0x%04x tlv over vf pf channel\n",
 | |
| 		   type);
 | |
| 
 | |
| 	/* Reset Requst offset */
 | |
| 	p_iov->offset = (u8 *)p_iov->vf2pf_request;
 | |
| 
 | |
| 	/* Clear mailbox - both request and reply */
 | |
| 	memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
 | |
| 	memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
 | |
| 
 | |
| 	/* Init type and length */
 | |
| 	p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
 | |
| 
 | |
| 	/* Init first tlv header */
 | |
| 	((struct vfpf_first_tlv *)p_tlv)->reply_address =
 | |
| 	    (u64)p_iov->pf2vf_reply_phys;
 | |
| 
 | |
| 	return p_tlv;
 | |
| }
 | |
| 
 | |
| static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
 | |
| {
 | |
| 	union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
 | |
| 
 | |
| 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 		   "VF request status = 0x%x, PF reply status = 0x%x\n",
 | |
| 		   req_status, resp->default_resp.hdr.status);
 | |
| 
 | |
| 	mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
 | |
| }
 | |
| 
 | |
| static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
 | |
| {
 | |
| 	union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
 | |
| 	struct ustorm_trigger_vf_zone trigger;
 | |
| 	struct ustorm_vf_zone *zone_data;
 | |
| 	int rc = 0, time = 100;
 | |
| 
 | |
| 	zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
 | |
| 
 | |
| 	/* output tlvs list */
 | |
| 	qed_dp_tlv_list(p_hwfn, p_req);
 | |
| 
 | |
| 	/* need to add the END TLV to the message size */
 | |
| 	resp_size += sizeof(struct channel_list_end_tlv);
 | |
| 
 | |
| 	/* Send TLVs over HW channel */
 | |
| 	memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
 | |
| 	trigger.vf_pf_msg_valid = 1;
 | |
| 
 | |
| 	DP_VERBOSE(p_hwfn,
 | |
| 		   QED_MSG_IOV,
 | |
| 		   "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
 | |
| 		   GET_FIELD(p_hwfn->hw_info.concrete_fid,
 | |
| 			     PXP_CONCRETE_FID_PFID),
 | |
| 		   upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
 | |
| 		   lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
 | |
| 		   &zone_data->non_trigger.vf_pf_msg_addr,
 | |
| 		   *((u32 *)&trigger), &zone_data->trigger);
 | |
| 
 | |
| 	REG_WR(p_hwfn,
 | |
| 	       (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
 | |
| 	       lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
 | |
| 
 | |
| 	REG_WR(p_hwfn,
 | |
| 	       (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
 | |
| 	       upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
 | |
| 
 | |
| 	/* The message data must be written first, to prevent trigger before
 | |
| 	 * data is written.
 | |
| 	 */
 | |
| 	wmb();
 | |
| 
 | |
| 	REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
 | |
| 
 | |
| 	/* When PF would be done with the response, it would write back to the
 | |
| 	 * `done' address. Poll until then.
 | |
| 	 */
 | |
| 	while ((!*done) && time) {
 | |
| 		msleep(25);
 | |
| 		time--;
 | |
| 	}
 | |
| 
 | |
| 	if (!*done) {
 | |
| 		DP_NOTICE(p_hwfn,
 | |
| 			  "VF <-- PF Timeout [Type %d]\n",
 | |
| 			  p_req->first_tlv.tl.type);
 | |
| 		rc = -EBUSY;
 | |
| 	} else {
 | |
| 		if ((*done != PFVF_STATUS_SUCCESS) &&
 | |
| 		    (*done != PFVF_STATUS_NO_RESOURCE))
 | |
| 			DP_NOTICE(p_hwfn,
 | |
| 				  "PF response: %d [Type %d]\n",
 | |
| 				  *done, p_req->first_tlv.tl.type);
 | |
| 		else
 | |
| 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 				   "PF response: %d [Type %d]\n",
 | |
| 				   *done, p_req->first_tlv.tl.type);
 | |
| 	}
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
 | |
| 			      struct qed_queue_cid *p_cid)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct vfpf_qid_tlv *p_qid_tlv;
 | |
| 
 | |
| 	/* Only add QIDs for the queue if it was negotiated with PF */
 | |
| 	if (!(p_iov->acquire_resp.pfdev_info.capabilities &
 | |
| 	      PFVF_ACQUIRE_CAP_QUEUE_QIDS))
 | |
| 		return;
 | |
| 
 | |
| 	p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 				CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
 | |
| 	p_qid_tlv->qid = p_cid->qid_usage_idx;
 | |
| }
 | |
| 
 | |
| static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_def_resp_tlv *resp;
 | |
| 	struct vfpf_first_tlv *req;
 | |
| 	u32 size;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 
 | |
| 	if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
 | |
| 		rc = -EAGAIN;
 | |
| 
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 	if (!b_final)
 | |
| 		return rc;
 | |
| 
 | |
| 	p_hwfn->b_int_enabled = 0;
 | |
| 
 | |
| 	if (p_iov->vf2pf_request)
 | |
| 		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 | |
| 				  sizeof(union vfpf_tlvs),
 | |
| 				  p_iov->vf2pf_request,
 | |
| 				  p_iov->vf2pf_request_phys);
 | |
| 	if (p_iov->pf2vf_reply)
 | |
| 		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 | |
| 				  sizeof(union pfvf_tlvs),
 | |
| 				  p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
 | |
| 
 | |
| 	if (p_iov->bulletin.p_virt) {
 | |
| 		size = sizeof(struct qed_bulletin_content);
 | |
| 		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 | |
| 				  size,
 | |
| 				  p_iov->bulletin.p_virt, p_iov->bulletin.phys);
 | |
| 	}
 | |
| 
 | |
| 	kfree(p_hwfn->vf_iov_info);
 | |
| 	p_hwfn->vf_iov_info = NULL;
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
 | |
| {
 | |
| 	return _qed_vf_pf_release(p_hwfn, true);
 | |
| }
 | |
| 
 | |
| #define VF_ACQUIRE_THRESH 3
 | |
| static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
 | |
| 					  struct vf_pf_resc_request *p_req,
 | |
| 					  struct pf_vf_resc *p_resp)
 | |
| {
 | |
| 	DP_VERBOSE(p_hwfn,
 | |
| 		   QED_MSG_IOV,
 | |
| 		   "PF unwilling to fulfill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n",
 | |
| 		   p_req->num_rxqs,
 | |
| 		   p_resp->num_rxqs,
 | |
| 		   p_req->num_rxqs,
 | |
| 		   p_resp->num_txqs,
 | |
| 		   p_req->num_sbs,
 | |
| 		   p_resp->num_sbs,
 | |
| 		   p_req->num_mac_filters,
 | |
| 		   p_resp->num_mac_filters,
 | |
| 		   p_req->num_vlan_filters,
 | |
| 		   p_resp->num_vlan_filters,
 | |
| 		   p_req->num_mc_filters,
 | |
| 		   p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
 | |
| 
 | |
| 	/* humble our request */
 | |
| 	p_req->num_txqs = p_resp->num_txqs;
 | |
| 	p_req->num_rxqs = p_resp->num_rxqs;
 | |
| 	p_req->num_sbs = p_resp->num_sbs;
 | |
| 	p_req->num_mac_filters = p_resp->num_mac_filters;
 | |
| 	p_req->num_vlan_filters = p_resp->num_vlan_filters;
 | |
| 	p_req->num_mc_filters = p_resp->num_mc_filters;
 | |
| 	p_req->num_cids = p_resp->num_cids;
 | |
| }
 | |
| 
 | |
| static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
 | |
| 	struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
 | |
| 	struct vf_pf_resc_request *p_resc;
 | |
| 	u8 retry_cnt = VF_ACQUIRE_THRESH;
 | |
| 	bool resources_acquired = false;
 | |
| 	struct vfpf_acquire_tlv *req;
 | |
| 	int rc = 0, attempts = 0;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
 | |
| 	p_resc = &req->resc_request;
 | |
| 
 | |
| 	/* starting filling the request */
 | |
| 	req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
 | |
| 
 | |
| 	p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
 | |
| 	p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
 | |
| 	p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
 | |
| 	p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 | |
| 	p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 | |
| 	p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
 | |
| 
 | |
| 	req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
 | |
| 	req->vfdev_info.fw_major = FW_MAJOR_VERSION;
 | |
| 	req->vfdev_info.fw_minor = FW_MINOR_VERSION;
 | |
| 	req->vfdev_info.fw_revision = FW_REVISION_VERSION;
 | |
| 	req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
 | |
| 	req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
 | |
| 	req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
 | |
| 
 | |
| 	/* Fill capability field with any non-deprecated config we support */
 | |
| 	req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
 | |
| 
 | |
| 	/* If we've mapped the doorbell bar, try using queue qids */
 | |
| 	if (p_iov->b_doorbell_bar) {
 | |
| 		req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
 | |
| 						VFPF_ACQUIRE_CAP_QUEUE_QIDS;
 | |
| 		p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
 | |
| 	}
 | |
| 
 | |
| 	/* pf 2 vf bulletin board address */
 | |
| 	req->bulletin_addr = p_iov->bulletin.phys;
 | |
| 	req->bulletin_size = p_iov->bulletin.size;
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	while (!resources_acquired) {
 | |
| 		DP_VERBOSE(p_hwfn,
 | |
| 			   QED_MSG_IOV, "attempting to acquire resources\n");
 | |
| 
 | |
| 		/* Clear response buffer, as this might be a re-send */
 | |
| 		memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
 | |
| 
 | |
| 		/* send acquire request */
 | |
| 		rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 
 | |
| 		/* Re-try acquire in case of vf-pf hw channel timeout */
 | |
| 		if (retry_cnt && rc == -EBUSY) {
 | |
| 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 				   "VF retrying to acquire due to VPC timeout\n");
 | |
| 			retry_cnt--;
 | |
| 			continue;
 | |
| 		}
 | |
| 
 | |
| 		if (rc)
 | |
| 			goto exit;
 | |
| 
 | |
| 		/* copy acquire response from buffer to p_hwfn */
 | |
| 		memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
 | |
| 
 | |
| 		attempts++;
 | |
| 
 | |
| 		if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
 | |
| 			/* PF agrees to allocate our resources */
 | |
| 			if (!(resp->pfdev_info.capabilities &
 | |
| 			      PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
 | |
| 				/* It's possible legacy PF mistakenly accepted;
 | |
| 				 * but we don't care - simply mark it as
 | |
| 				 * legacy and continue.
 | |
| 				 */
 | |
| 				req->vfdev_info.capabilities |=
 | |
| 				    VFPF_ACQUIRE_CAP_PRE_FP_HSI;
 | |
| 			}
 | |
| 			DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
 | |
| 			resources_acquired = true;
 | |
| 		} else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
 | |
| 			   attempts < VF_ACQUIRE_THRESH) {
 | |
| 			qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
 | |
| 						      &resp->resc);
 | |
| 		} else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
 | |
| 			if (pfdev_info->major_fp_hsi &&
 | |
| 			    (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
 | |
| 				DP_NOTICE(p_hwfn,
 | |
| 					  "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
 | |
| 					  pfdev_info->major_fp_hsi,
 | |
| 					  pfdev_info->minor_fp_hsi,
 | |
| 					  ETH_HSI_VER_MAJOR,
 | |
| 					  ETH_HSI_VER_MINOR,
 | |
| 					  pfdev_info->major_fp_hsi);
 | |
| 				rc = -EINVAL;
 | |
| 				goto exit;
 | |
| 			}
 | |
| 
 | |
| 			if (!pfdev_info->major_fp_hsi) {
 | |
| 				if (req->vfdev_info.capabilities &
 | |
| 				    VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
 | |
| 					DP_NOTICE(p_hwfn,
 | |
| 						  "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
 | |
| 					rc = -EINVAL;
 | |
| 					goto exit;
 | |
| 				} else {
 | |
| 					DP_INFO(p_hwfn,
 | |
| 						"PF is old - try re-acquire to see if it supports FW-version override\n");
 | |
| 					req->vfdev_info.capabilities |=
 | |
| 					    VFPF_ACQUIRE_CAP_PRE_FP_HSI;
 | |
| 					continue;
 | |
| 				}
 | |
| 			}
 | |
| 
 | |
| 			/* If PF/VF are using same Major, PF must have had
 | |
| 			 * it's reasons. Simply fail.
 | |
| 			 */
 | |
| 			DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
 | |
| 			rc = -EINVAL;
 | |
| 			goto exit;
 | |
| 		} else {
 | |
| 			DP_ERR(p_hwfn,
 | |
| 			       "PF returned error %d to VF acquisition request\n",
 | |
| 			       resp->hdr.status);
 | |
| 			rc = -EAGAIN;
 | |
| 			goto exit;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* Mark the PF as legacy, if needed */
 | |
| 	if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
 | |
| 		p_iov->b_pre_fp_hsi = true;
 | |
| 
 | |
| 	/* In case PF doesn't support multi-queue Tx, update the number of
 | |
| 	 * CIDs to reflect the number of queues [older PFs didn't fill that
 | |
| 	 * field].
 | |
| 	 */
 | |
| 	if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
 | |
| 		resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
 | |
| 
 | |
| 	/* Update bulletin board size with response from PF */
 | |
| 	p_iov->bulletin.size = resp->bulletin_size;
 | |
| 
 | |
| 	/* get HW info */
 | |
| 	p_hwfn->cdev->type = resp->pfdev_info.dev_type;
 | |
| 	p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
 | |
| 
 | |
| 	p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
 | |
| 
 | |
| 	/* Learn of the possibility of CMT */
 | |
| 	if (IS_LEAD_HWFN(p_hwfn)) {
 | |
| 		if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
 | |
| 			DP_NOTICE(p_hwfn, "100g VF\n");
 | |
| 			p_hwfn->cdev->num_hwfns = 2;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (!p_iov->b_pre_fp_hsi &&
 | |
| 	    (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
 | |
| 		DP_INFO(p_hwfn,
 | |
| 			"PF is using older fastpath HSI; %02x.%02x is configured\n",
 | |
| 			ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
 | |
| 	}
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
 | |
| {
 | |
| 	u32 bar_size;
 | |
| 
 | |
| 	/* Regview size is fixed */
 | |
| 	if (bar_id == BAR_ID_0)
 | |
| 		return 1 << 17;
 | |
| 
 | |
| 	/* Doorbell is received from PF */
 | |
| 	bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
 | |
| 	if (bar_size)
 | |
| 		return 1 << bar_size;
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
 | |
| {
 | |
| 	struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
 | |
| 	struct qed_vf_iov *p_iov;
 | |
| 	u32 reg;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* Set number of hwfns - might be overriden once leading hwfn learns
 | |
| 	 * actual configuration from PF.
 | |
| 	 */
 | |
| 	if (IS_LEAD_HWFN(p_hwfn))
 | |
| 		p_hwfn->cdev->num_hwfns = 1;
 | |
| 
 | |
| 	reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
 | |
| 	p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
 | |
| 
 | |
| 	reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
 | |
| 	p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
 | |
| 
 | |
| 	/* Allocate vf sriov info */
 | |
| 	p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
 | |
| 	if (!p_iov)
 | |
| 		return -ENOMEM;
 | |
| 
 | |
| 	/* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
 | |
| 	 * value, but there are several incompatibily scenarios where that
 | |
| 	 * would be incorrect and we'd need to override it.
 | |
| 	 */
 | |
| 	if (!p_hwfn->doorbells) {
 | |
| 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
 | |
| 						  PXP_VF_BAR0_START_DQ;
 | |
| 	} else if (p_hwfn == p_lead) {
 | |
| 		/* For leading hw-function, value is always correct, but need
 | |
| 		 * to handle scenario where legacy PF would not support 100g
 | |
| 		 * mapped bars later.
 | |
| 		 */
 | |
| 		p_iov->b_doorbell_bar = true;
 | |
| 	} else {
 | |
| 		/* here, value would be correct ONLY if the leading hwfn
 | |
| 		 * received indication that mapped-bars are supported.
 | |
| 		 */
 | |
| 		if (p_lead->vf_iov_info->b_doorbell_bar)
 | |
| 			p_iov->b_doorbell_bar = true;
 | |
| 		else
 | |
| 			p_hwfn->doorbells = (u8 __iomem *)
 | |
| 			    p_hwfn->regview + PXP_VF_BAR0_START_DQ;
 | |
| 	}
 | |
| 
 | |
| 	/* Allocate vf2pf msg */
 | |
| 	p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 | |
| 						  sizeof(union vfpf_tlvs),
 | |
| 						  &p_iov->vf2pf_request_phys,
 | |
| 						  GFP_KERNEL);
 | |
| 	if (!p_iov->vf2pf_request)
 | |
| 		goto free_p_iov;
 | |
| 
 | |
| 	p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 | |
| 						sizeof(union pfvf_tlvs),
 | |
| 						&p_iov->pf2vf_reply_phys,
 | |
| 						GFP_KERNEL);
 | |
| 	if (!p_iov->pf2vf_reply)
 | |
| 		goto free_vf2pf_request;
 | |
| 
 | |
| 	DP_VERBOSE(p_hwfn,
 | |
| 		   QED_MSG_IOV,
 | |
| 		   "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
 | |
| 		   p_iov->vf2pf_request,
 | |
| 		   (u64) p_iov->vf2pf_request_phys,
 | |
| 		   p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
 | |
| 
 | |
| 	/* Allocate Bulletin board */
 | |
| 	p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
 | |
| 	p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 | |
| 						    p_iov->bulletin.size,
 | |
| 						    &p_iov->bulletin.phys,
 | |
| 						    GFP_KERNEL);
 | |
| 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 		   "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
 | |
| 		   p_iov->bulletin.p_virt,
 | |
| 		   (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
 | |
| 
 | |
| 	mutex_init(&p_iov->mutex);
 | |
| 
 | |
| 	p_hwfn->vf_iov_info = p_iov;
 | |
| 
 | |
| 	p_hwfn->hw_info.personality = QED_PCI_ETH;
 | |
| 
 | |
| 	rc = qed_vf_pf_acquire(p_hwfn);
 | |
| 
 | |
| 	/* If VF is 100g using a mapped bar and PF is too old to support that,
 | |
| 	 * acquisition would succeed - but the VF would have no way knowing
 | |
| 	 * the size of the doorbell bar configured in HW and thus will not
 | |
| 	 * know how to split it for 2nd hw-function.
 | |
| 	 * In this case we re-try without the indication of the mapped
 | |
| 	 * doorbell.
 | |
| 	 */
 | |
| 	if (!rc && p_iov->b_doorbell_bar &&
 | |
| 	    !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
 | |
| 	    (p_hwfn->cdev->num_hwfns > 1)) {
 | |
| 		rc = _qed_vf_pf_release(p_hwfn, false);
 | |
| 		if (rc)
 | |
| 			return rc;
 | |
| 
 | |
| 		p_iov->b_doorbell_bar = false;
 | |
| 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
 | |
| 						  PXP_VF_BAR0_START_DQ;
 | |
| 		rc = qed_vf_pf_acquire(p_hwfn);
 | |
| 	}
 | |
| 
 | |
| 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 		   "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
 | |
| 		   p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
 | |
| 
 | |
| 	return rc;
 | |
| 
 | |
| free_vf2pf_request:
 | |
| 	dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 | |
| 			  sizeof(union vfpf_tlvs),
 | |
| 			  p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
 | |
| free_p_iov:
 | |
| 	kfree(p_iov);
 | |
| 
 | |
| 	return -ENOMEM;
 | |
| }
 | |
| #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
 | |
| #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START +	\
 | |
| 				   (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
 | |
| 
 | |
| static void
 | |
| __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
 | |
| 			   struct qed_tunn_update_type *p_src,
 | |
| 			   enum qed_tunn_mode mask, u8 *p_cls)
 | |
| {
 | |
| 	if (p_src->b_update_mode) {
 | |
| 		p_req->tun_mode_update_mask |= BIT(mask);
 | |
| 
 | |
| 		if (p_src->b_mode_enabled)
 | |
| 			p_req->tunn_mode |= BIT(mask);
 | |
| 	}
 | |
| 
 | |
| 	*p_cls = p_src->tun_cls;
 | |
| }
 | |
| 
 | |
| static void
 | |
| qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
 | |
| 			 struct qed_tunn_update_type *p_src,
 | |
| 			 enum qed_tunn_mode mask,
 | |
| 			 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
 | |
| 			 u8 *p_update_port, u16 *p_udp_port)
 | |
| {
 | |
| 	if (p_port->b_update_port) {
 | |
| 		*p_update_port = 1;
 | |
| 		*p_udp_port = p_port->port;
 | |
| 	}
 | |
| 
 | |
| 	__qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
 | |
| }
 | |
| 
 | |
| void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
 | |
| {
 | |
| 	if (p_tun->vxlan.b_mode_enabled)
 | |
| 		p_tun->vxlan.b_update_mode = true;
 | |
| 	if (p_tun->l2_geneve.b_mode_enabled)
 | |
| 		p_tun->l2_geneve.b_update_mode = true;
 | |
| 	if (p_tun->ip_geneve.b_mode_enabled)
 | |
| 		p_tun->ip_geneve.b_update_mode = true;
 | |
| 	if (p_tun->l2_gre.b_mode_enabled)
 | |
| 		p_tun->l2_gre.b_update_mode = true;
 | |
| 	if (p_tun->ip_gre.b_mode_enabled)
 | |
| 		p_tun->ip_gre.b_update_mode = true;
 | |
| 
 | |
| 	p_tun->b_update_rx_cls = true;
 | |
| 	p_tun->b_update_tx_cls = true;
 | |
| }
 | |
| 
 | |
| static void
 | |
| __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
 | |
| 			   u16 feature_mask, u8 tunn_mode,
 | |
| 			   u8 tunn_cls, enum qed_tunn_mode val)
 | |
| {
 | |
| 	if (feature_mask & BIT(val)) {
 | |
| 		p_tun->b_mode_enabled = tunn_mode;
 | |
| 		p_tun->tun_cls = tunn_cls;
 | |
| 	} else {
 | |
| 		p_tun->b_mode_enabled = false;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
 | |
| 				     struct qed_tunnel_info *p_tun,
 | |
| 				     struct pfvf_update_tunn_param_tlv *p_resp)
 | |
| {
 | |
| 	/* Update mode and classes provided by PF */
 | |
| 	u16 feat_mask = p_resp->tunn_feature_mask;
 | |
| 
 | |
| 	__qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
 | |
| 				   p_resp->vxlan_mode, p_resp->vxlan_clss,
 | |
| 				   QED_MODE_VXLAN_TUNN);
 | |
| 	__qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
 | |
| 				   p_resp->l2geneve_mode,
 | |
| 				   p_resp->l2geneve_clss,
 | |
| 				   QED_MODE_L2GENEVE_TUNN);
 | |
| 	__qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
 | |
| 				   p_resp->ipgeneve_mode,
 | |
| 				   p_resp->ipgeneve_clss,
 | |
| 				   QED_MODE_IPGENEVE_TUNN);
 | |
| 	__qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
 | |
| 				   p_resp->l2gre_mode, p_resp->l2gre_clss,
 | |
| 				   QED_MODE_L2GRE_TUNN);
 | |
| 	__qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
 | |
| 				   p_resp->ipgre_mode, p_resp->ipgre_clss,
 | |
| 				   QED_MODE_IPGRE_TUNN);
 | |
| 	p_tun->geneve_port.port = p_resp->geneve_udp_port;
 | |
| 	p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
 | |
| 
 | |
| 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 		   "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
 | |
| 		   p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
 | |
| 		   p_tun->ip_geneve.b_mode_enabled,
 | |
| 		   p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
 | |
| 				  struct qed_tunnel_info *p_src)
 | |
| {
 | |
| 	struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_update_tunn_param_tlv *p_resp;
 | |
| 	struct vfpf_update_tunn_param_tlv *p_req;
 | |
| 	int rc;
 | |
| 
 | |
| 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
 | |
| 			       sizeof(*p_req));
 | |
| 
 | |
| 	if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
 | |
| 		p_req->update_tun_cls = 1;
 | |
| 
 | |
| 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
 | |
| 				 &p_req->vxlan_clss, &p_src->vxlan_port,
 | |
| 				 &p_req->update_vxlan_port,
 | |
| 				 &p_req->vxlan_port);
 | |
| 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
 | |
| 				 QED_MODE_L2GENEVE_TUNN,
 | |
| 				 &p_req->l2geneve_clss, &p_src->geneve_port,
 | |
| 				 &p_req->update_geneve_port,
 | |
| 				 &p_req->geneve_port);
 | |
| 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
 | |
| 				   QED_MODE_IPGENEVE_TUNN,
 | |
| 				   &p_req->ipgeneve_clss);
 | |
| 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
 | |
| 				   QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
 | |
| 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
 | |
| 				   QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END,
 | |
| 		    sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
 | |
| 
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 			   "Failed to update tunnel parameters\n");
 | |
| 		rc = -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int
 | |
| qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
 | |
| 		    struct qed_queue_cid *p_cid,
 | |
| 		    u16 bd_max_bytes,
 | |
| 		    dma_addr_t bd_chain_phys_addr,
 | |
| 		    dma_addr_t cqe_pbl_addr,
 | |
| 		    u16 cqe_pbl_size, void __iomem **pp_prod)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_start_queue_resp_tlv *resp;
 | |
| 	struct vfpf_start_rxq_tlv *req;
 | |
| 	u8 rx_qid = p_cid->rel.queue_id;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
 | |
| 
 | |
| 	req->rx_qid = rx_qid;
 | |
| 	req->cqe_pbl_addr = cqe_pbl_addr;
 | |
| 	req->cqe_pbl_size = cqe_pbl_size;
 | |
| 	req->rxq_addr = bd_chain_phys_addr;
 | |
| 	req->hw_sb = p_cid->sb_igu_id;
 | |
| 	req->sb_index = p_cid->sb_idx;
 | |
| 	req->bd_max_bytes = bd_max_bytes;
 | |
| 	req->stat_id = -1;
 | |
| 
 | |
| 	/* If PF is legacy, we'll need to calculate producers ourselves
 | |
| 	 * as well as clean them.
 | |
| 	 */
 | |
| 	if (p_iov->b_pre_fp_hsi) {
 | |
| 		u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
 | |
| 		u32 init_prod_val = 0;
 | |
| 
 | |
| 		*pp_prod = (u8 __iomem *)
 | |
| 		    p_hwfn->regview +
 | |
| 		    MSTORM_QZONE_START(p_hwfn->cdev) +
 | |
| 		    hw_qid * MSTORM_QZONE_SIZE;
 | |
| 
 | |
| 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
 | |
| 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
 | |
| 				  (u32 *)(&init_prod_val));
 | |
| 	}
 | |
| 
 | |
| 	qed_vf_pf_add_qid(p_hwfn, p_cid);
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->queue_start;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EINVAL;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| 	/* Learn the address of the producer from the response */
 | |
| 	if (!p_iov->b_pre_fp_hsi) {
 | |
| 		u32 init_prod_val = 0;
 | |
| 
 | |
| 		*pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
 | |
| 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 			   "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
 | |
| 			   rx_qid, *pp_prod, resp->offset);
 | |
| 
 | |
| 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
 | |
| 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
 | |
| 				  (u32 *)&init_prod_val);
 | |
| 	}
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
 | |
| 		       struct qed_queue_cid *p_cid, bool cqe_completion)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct vfpf_stop_rxqs_tlv *req;
 | |
| 	struct pfvf_def_resp_tlv *resp;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
 | |
| 
 | |
| 	req->rx_qid = p_cid->rel.queue_id;
 | |
| 	req->num_rxqs = 1;
 | |
| 	req->cqe_completion = cqe_completion;
 | |
| 
 | |
| 	qed_vf_pf_add_qid(p_hwfn, p_cid);
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EINVAL;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int
 | |
| qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
 | |
| 		    struct qed_queue_cid *p_cid,
 | |
| 		    dma_addr_t pbl_addr,
 | |
| 		    u16 pbl_size, void __iomem **pp_doorbell)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_start_queue_resp_tlv *resp;
 | |
| 	struct vfpf_start_txq_tlv *req;
 | |
| 	u16 qid = p_cid->rel.queue_id;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
 | |
| 
 | |
| 	req->tx_qid = qid;
 | |
| 
 | |
| 	/* Tx */
 | |
| 	req->pbl_addr = pbl_addr;
 | |
| 	req->pbl_size = pbl_size;
 | |
| 	req->hw_sb = p_cid->sb_igu_id;
 | |
| 	req->sb_index = p_cid->sb_idx;
 | |
| 
 | |
| 	qed_vf_pf_add_qid(p_hwfn, p_cid);
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->queue_start;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EINVAL;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| 	/* Modern PFs provide the actual offsets, while legacy
 | |
| 	 * provided only the queue id.
 | |
| 	 */
 | |
| 	if (!p_iov->b_pre_fp_hsi) {
 | |
| 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
 | |
| 	} else {
 | |
| 		u8 cid = p_iov->acquire_resp.resc.cid[qid];
 | |
| 
 | |
| 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
 | |
| 					     qed_db_addr_vf(cid,
 | |
| 							    DQ_DEMS_LEGACY);
 | |
| 	}
 | |
| 
 | |
| 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 		   "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
 | |
| 		   qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct vfpf_stop_txqs_tlv *req;
 | |
| 	struct pfvf_def_resp_tlv *resp;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
 | |
| 
 | |
| 	req->tx_qid = p_cid->rel.queue_id;
 | |
| 	req->num_txqs = 1;
 | |
| 
 | |
| 	qed_vf_pf_add_qid(p_hwfn, p_cid);
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EINVAL;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
 | |
| 			  u8 vport_id,
 | |
| 			  u16 mtu,
 | |
| 			  u8 inner_vlan_removal,
 | |
| 			  enum qed_tpa_mode tpa_mode,
 | |
| 			  u8 max_buffers_per_cqe, u8 only_untagged)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct vfpf_vport_start_tlv *req;
 | |
| 	struct pfvf_def_resp_tlv *resp;
 | |
| 	int rc, i;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
 | |
| 
 | |
| 	req->mtu = mtu;
 | |
| 	req->vport_id = vport_id;
 | |
| 	req->inner_vlan_removal = inner_vlan_removal;
 | |
| 	req->tpa_mode = tpa_mode;
 | |
| 	req->max_buffers_per_cqe = max_buffers_per_cqe;
 | |
| 	req->only_untagged = only_untagged;
 | |
| 
 | |
| 	/* status blocks */
 | |
| 	for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
 | |
| 		struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
 | |
| 
 | |
| 		if (p_sb)
 | |
| 			req->sb_addr[i] = p_sb->sb_phys;
 | |
| 	}
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EINVAL;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
 | |
| 		       sizeof(struct vfpf_first_tlv));
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EINVAL;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| static bool
 | |
| qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
 | |
| 				  struct qed_sp_vport_update_params *p_data,
 | |
| 				  u16 tlv)
 | |
| {
 | |
| 	switch (tlv) {
 | |
| 	case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
 | |
| 		return !!(p_data->update_vport_active_rx_flg ||
 | |
| 			  p_data->update_vport_active_tx_flg);
 | |
| 	case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
 | |
| 		return !!p_data->update_tx_switching_flg;
 | |
| 	case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
 | |
| 		return !!p_data->update_inner_vlan_removal_flg;
 | |
| 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
 | |
| 		return !!p_data->update_accept_any_vlan_flg;
 | |
| 	case CHANNEL_TLV_VPORT_UPDATE_MCAST:
 | |
| 		return !!p_data->update_approx_mcast_flg;
 | |
| 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
 | |
| 		return !!(p_data->accept_flags.update_rx_mode_config ||
 | |
| 			  p_data->accept_flags.update_tx_mode_config);
 | |
| 	case CHANNEL_TLV_VPORT_UPDATE_RSS:
 | |
| 		return !!p_data->rss_params;
 | |
| 	case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
 | |
| 		return !!p_data->sge_tpa_params;
 | |
| 	default:
 | |
| 		DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
 | |
| 			tlv);
 | |
| 		return false;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void
 | |
| qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
 | |
| 				  struct qed_sp_vport_update_params *p_data)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_def_resp_tlv *p_resp;
 | |
| 	u16 tlv;
 | |
| 
 | |
| 	for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
 | |
| 	     tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
 | |
| 		if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
 | |
| 			continue;
 | |
| 
 | |
| 		p_resp = (struct pfvf_def_resp_tlv *)
 | |
| 			 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
 | |
| 						  tlv);
 | |
| 		if (p_resp && p_resp->hdr.status)
 | |
| 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 				   "TLV[%d] Configuration %s\n",
 | |
| 				   tlv,
 | |
| 				   (p_resp && p_resp->hdr.status) ? "succeeded"
 | |
| 								  : "failed");
 | |
| 	}
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
 | |
| 			   struct qed_sp_vport_update_params *p_params)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct vfpf_vport_update_tlv *req;
 | |
| 	struct pfvf_def_resp_tlv *resp;
 | |
| 	u8 update_rx, update_tx;
 | |
| 	u32 resp_size = 0;
 | |
| 	u16 size, tlv;
 | |
| 	int rc;
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	resp_size = sizeof(*resp);
 | |
| 
 | |
| 	update_rx = p_params->update_vport_active_rx_flg;
 | |
| 	update_tx = p_params->update_vport_active_tx_flg;
 | |
| 
 | |
| 	/* clear mailbox and prep header tlv */
 | |
| 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
 | |
| 
 | |
| 	/* Prepare extended tlvs */
 | |
| 	if (update_rx || update_tx) {
 | |
| 		struct vfpf_vport_update_activate_tlv *p_act_tlv;
 | |
| 
 | |
| 		size = sizeof(struct vfpf_vport_update_activate_tlv);
 | |
| 		p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 					CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
 | |
| 					size);
 | |
| 		resp_size += sizeof(struct pfvf_def_resp_tlv);
 | |
| 
 | |
| 		if (update_rx) {
 | |
| 			p_act_tlv->update_rx = update_rx;
 | |
| 			p_act_tlv->active_rx = p_params->vport_active_rx_flg;
 | |
| 		}
 | |
| 
 | |
| 		if (update_tx) {
 | |
| 			p_act_tlv->update_tx = update_tx;
 | |
| 			p_act_tlv->active_tx = p_params->vport_active_tx_flg;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (p_params->update_tx_switching_flg) {
 | |
| 		struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
 | |
| 
 | |
| 		size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
 | |
| 		tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
 | |
| 		p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 					      tlv, size);
 | |
| 		resp_size += sizeof(struct pfvf_def_resp_tlv);
 | |
| 
 | |
| 		p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
 | |
| 	}
 | |
| 
 | |
| 	if (p_params->update_approx_mcast_flg) {
 | |
| 		struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
 | |
| 
 | |
| 		size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
 | |
| 		p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 					  CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
 | |
| 		resp_size += sizeof(struct pfvf_def_resp_tlv);
 | |
| 
 | |
| 		memcpy(p_mcast_tlv->bins, p_params->bins,
 | |
| 		       sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
 | |
| 	}
 | |
| 
 | |
| 	update_rx = p_params->accept_flags.update_rx_mode_config;
 | |
| 	update_tx = p_params->accept_flags.update_tx_mode_config;
 | |
| 
 | |
| 	if (update_rx || update_tx) {
 | |
| 		struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
 | |
| 
 | |
| 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
 | |
| 		size = sizeof(struct vfpf_vport_update_accept_param_tlv);
 | |
| 		p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
 | |
| 		resp_size += sizeof(struct pfvf_def_resp_tlv);
 | |
| 
 | |
| 		if (update_rx) {
 | |
| 			p_accept_tlv->update_rx_mode = update_rx;
 | |
| 			p_accept_tlv->rx_accept_filter =
 | |
| 			    p_params->accept_flags.rx_accept_filter;
 | |
| 		}
 | |
| 
 | |
| 		if (update_tx) {
 | |
| 			p_accept_tlv->update_tx_mode = update_tx;
 | |
| 			p_accept_tlv->tx_accept_filter =
 | |
| 			    p_params->accept_flags.tx_accept_filter;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (p_params->rss_params) {
 | |
| 		struct qed_rss_params *rss_params = p_params->rss_params;
 | |
| 		struct vfpf_vport_update_rss_tlv *p_rss_tlv;
 | |
| 		int i, table_size;
 | |
| 
 | |
| 		size = sizeof(struct vfpf_vport_update_rss_tlv);
 | |
| 		p_rss_tlv = qed_add_tlv(p_hwfn,
 | |
| 					&p_iov->offset,
 | |
| 					CHANNEL_TLV_VPORT_UPDATE_RSS, size);
 | |
| 		resp_size += sizeof(struct pfvf_def_resp_tlv);
 | |
| 
 | |
| 		if (rss_params->update_rss_config)
 | |
| 			p_rss_tlv->update_rss_flags |=
 | |
| 			    VFPF_UPDATE_RSS_CONFIG_FLAG;
 | |
| 		if (rss_params->update_rss_capabilities)
 | |
| 			p_rss_tlv->update_rss_flags |=
 | |
| 			    VFPF_UPDATE_RSS_CAPS_FLAG;
 | |
| 		if (rss_params->update_rss_ind_table)
 | |
| 			p_rss_tlv->update_rss_flags |=
 | |
| 			    VFPF_UPDATE_RSS_IND_TABLE_FLAG;
 | |
| 		if (rss_params->update_rss_key)
 | |
| 			p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
 | |
| 
 | |
| 		p_rss_tlv->rss_enable = rss_params->rss_enable;
 | |
| 		p_rss_tlv->rss_caps = rss_params->rss_caps;
 | |
| 		p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
 | |
| 
 | |
| 		table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
 | |
| 				   1 << p_rss_tlv->rss_table_size_log);
 | |
| 		for (i = 0; i < table_size; i++) {
 | |
| 			struct qed_queue_cid *p_queue;
 | |
| 
 | |
| 			p_queue = rss_params->rss_ind_table[i];
 | |
| 			p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
 | |
| 		}
 | |
| 		memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
 | |
| 		       sizeof(rss_params->rss_key));
 | |
| 	}
 | |
| 
 | |
| 	if (p_params->update_accept_any_vlan_flg) {
 | |
| 		struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
 | |
| 
 | |
| 		size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
 | |
| 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
 | |
| 		p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
 | |
| 
 | |
| 		resp_size += sizeof(struct pfvf_def_resp_tlv);
 | |
| 		p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
 | |
| 		p_any_vlan_tlv->update_accept_any_vlan_flg =
 | |
| 		    p_params->update_accept_any_vlan_flg;
 | |
| 	}
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EINVAL;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| 	qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_def_resp_tlv *resp;
 | |
| 	struct vfpf_first_tlv *req;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EAGAIN;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| 	p_hwfn->b_int_enabled = 0;
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
 | |
| 			    struct qed_filter_mcast *p_filter_cmd)
 | |
| {
 | |
| 	struct qed_sp_vport_update_params sp_params;
 | |
| 	int i;
 | |
| 
 | |
| 	memset(&sp_params, 0, sizeof(sp_params));
 | |
| 	sp_params.update_approx_mcast_flg = 1;
 | |
| 
 | |
| 	if (p_filter_cmd->opcode == QED_FILTER_ADD) {
 | |
| 		for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
 | |
| 			u32 bit;
 | |
| 
 | |
| 			bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
 | |
| 			sp_params.bins[bit / 32] |= 1 << (bit % 32);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	qed_vf_pf_vport_update(p_hwfn, &sp_params);
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
 | |
| 			   struct qed_filter_ucast *p_ucast)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct vfpf_ucast_filter_tlv *req;
 | |
| 	struct pfvf_def_resp_tlv *resp;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
 | |
| 	req->opcode = (u8) p_ucast->opcode;
 | |
| 	req->type = (u8) p_ucast->type;
 | |
| 	memcpy(req->mac, p_ucast->mac, ETH_ALEN);
 | |
| 	req->vlan = p_ucast->vlan;
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EAGAIN;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep first tlv */
 | |
| 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
 | |
| 		       sizeof(struct vfpf_first_tlv));
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset,
 | |
| 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 | |
| 		rc = -EINVAL;
 | |
| 		goto exit;
 | |
| 	}
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
 | |
| 			   u16 *p_coal, struct qed_queue_cid *p_cid)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct pfvf_read_coal_resp_tlv *resp;
 | |
| 	struct vfpf_read_coal_req_tlv *req;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep header tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
 | |
| 	req->qid = p_cid->rel.queue_id;
 | |
| 	req->is_rx = p_cid->b_is_rx ? 1 : 0;
 | |
| 
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
 | |
| 		    sizeof(struct channel_list_end_tlv));
 | |
| 	resp = &p_iov->pf2vf_reply->read_coal_resp;
 | |
| 
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 | |
| 		goto exit;
 | |
| 
 | |
| 	*p_coal = resp->coal;
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int
 | |
| qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
 | |
| 			      u8 *p_mac)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct vfpf_bulletin_update_mac_tlv *p_req;
 | |
| 	struct pfvf_def_resp_tlv *p_resp;
 | |
| 	int rc;
 | |
| 
 | |
| 	if (!p_mac)
 | |
| 		return -EINVAL;
 | |
| 
 | |
| 	/* clear mailbox and prep header tlv */
 | |
| 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
 | |
| 			       sizeof(*p_req));
 | |
| 	ether_addr_copy(p_req->mac, p_mac);
 | |
| 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 		   "Requesting bulletin update for MAC[%pM]\n", p_mac);
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
 | |
| 		    sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	p_resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int
 | |
| qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
 | |
| 		       u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct vfpf_update_coalesce *req;
 | |
| 	struct pfvf_def_resp_tlv *resp;
 | |
| 	int rc;
 | |
| 
 | |
| 	/* clear mailbox and prep header tlv */
 | |
| 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
 | |
| 
 | |
| 	req->rx_coal = rx_coal;
 | |
| 	req->tx_coal = tx_coal;
 | |
| 	req->qid = p_cid->rel.queue_id;
 | |
| 
 | |
| 	DP_VERBOSE(p_hwfn,
 | |
| 		   QED_MSG_IOV,
 | |
| 		   "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
 | |
| 		   rx_coal, tx_coal, req->qid);
 | |
| 
 | |
| 	/* add list termination tlv */
 | |
| 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
 | |
| 		    sizeof(struct channel_list_end_tlv));
 | |
| 
 | |
| 	resp = &p_iov->pf2vf_reply->default_resp;
 | |
| 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 | |
| 	if (rc)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
 | |
| 		goto exit;
 | |
| 
 | |
| 	if (rx_coal)
 | |
| 		p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
 | |
| 
 | |
| 	if (tx_coal)
 | |
| 		p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
 | |
| 
 | |
| exit:
 | |
| 	qed_vf_pf_req_end(p_hwfn, rc);
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 
 | |
| 	if (!p_iov) {
 | |
| 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
 | |
| 		return 0;
 | |
| 	}
 | |
| 
 | |
| 	return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
 | |
| }
 | |
| 
 | |
| void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
 | |
| 			u16 sb_id, struct qed_sb_info *p_sb)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 
 | |
| 	if (!p_iov) {
 | |
| 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	if (sb_id >= PFVF_MAX_SBS_PER_VF) {
 | |
| 		DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	p_iov->sbs_info[sb_id] = p_sb;
 | |
| }
 | |
| 
 | |
| int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
 | |
| {
 | |
| 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 | |
| 	struct qed_bulletin_content shadow;
 | |
| 	u32 crc, crc_size;
 | |
| 
 | |
| 	crc_size = sizeof(p_iov->bulletin.p_virt->crc);
 | |
| 	*p_change = 0;
 | |
| 
 | |
| 	/* Need to guarantee PF is not in the middle of writing it */
 | |
| 	memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
 | |
| 
 | |
| 	/* If version did not update, no need to do anything */
 | |
| 	if (shadow.version == p_iov->bulletin_shadow.version)
 | |
| 		return 0;
 | |
| 
 | |
| 	/* Verify the bulletin we see is valid */
 | |
| 	crc = crc32(0, (u8 *)&shadow + crc_size,
 | |
| 		    p_iov->bulletin.size - crc_size);
 | |
| 	if (crc != shadow.crc)
 | |
| 		return -EAGAIN;
 | |
| 
 | |
| 	/* Set the shadow bulletin and process it */
 | |
| 	memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
 | |
| 
 | |
| 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 | |
| 		   "Read a bulletin update %08x\n", shadow.version);
 | |
| 
 | |
| 	*p_change = 1;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
 | |
| 			      struct qed_mcp_link_params *p_params,
 | |
| 			      struct qed_bulletin_content *p_bulletin)
 | |
| {
 | |
| 	memset(p_params, 0, sizeof(*p_params));
 | |
| 
 | |
| 	p_params->speed.autoneg = p_bulletin->req_autoneg;
 | |
| 	p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
 | |
| 	p_params->speed.forced_speed = p_bulletin->req_forced_speed;
 | |
| 	p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
 | |
| 	p_params->pause.forced_rx = p_bulletin->req_forced_rx;
 | |
| 	p_params->pause.forced_tx = p_bulletin->req_forced_tx;
 | |
| 	p_params->loopback_mode = p_bulletin->req_loopback;
 | |
| }
 | |
| 
 | |
| void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
 | |
| 			    struct qed_mcp_link_params *params)
 | |
| {
 | |
| 	__qed_vf_get_link_params(p_hwfn, params,
 | |
| 				 &(p_hwfn->vf_iov_info->bulletin_shadow));
 | |
| }
 | |
| 
 | |
| void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
 | |
| 			     struct qed_mcp_link_state *p_link,
 | |
| 			     struct qed_bulletin_content *p_bulletin)
 | |
| {
 | |
| 	memset(p_link, 0, sizeof(*p_link));
 | |
| 
 | |
| 	p_link->link_up = p_bulletin->link_up;
 | |
| 	p_link->speed = p_bulletin->speed;
 | |
| 	p_link->full_duplex = p_bulletin->full_duplex;
 | |
| 	p_link->an = p_bulletin->autoneg;
 | |
| 	p_link->an_complete = p_bulletin->autoneg_complete;
 | |
| 	p_link->parallel_detection = p_bulletin->parallel_detection;
 | |
| 	p_link->pfc_enabled = p_bulletin->pfc_enabled;
 | |
| 	p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
 | |
| 	p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
 | |
| 	p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
 | |
| 	p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
 | |
| 	p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
 | |
| }
 | |
| 
 | |
| void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
 | |
| 			   struct qed_mcp_link_state *link)
 | |
| {
 | |
| 	__qed_vf_get_link_state(p_hwfn, link,
 | |
| 				&(p_hwfn->vf_iov_info->bulletin_shadow));
 | |
| }
 | |
| 
 | |
| void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
 | |
| 			    struct qed_mcp_link_capabilities *p_link_caps,
 | |
| 			    struct qed_bulletin_content *p_bulletin)
 | |
| {
 | |
| 	memset(p_link_caps, 0, sizeof(*p_link_caps));
 | |
| 	p_link_caps->speed_capabilities = p_bulletin->capability_speed;
 | |
| }
 | |
| 
 | |
| void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
 | |
| 			  struct qed_mcp_link_capabilities *p_link_caps)
 | |
| {
 | |
| 	__qed_vf_get_link_caps(p_hwfn, p_link_caps,
 | |
| 			       &(p_hwfn->vf_iov_info->bulletin_shadow));
 | |
| }
 | |
| 
 | |
| void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
 | |
| {
 | |
| 	*num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
 | |
| }
 | |
| 
 | |
| void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
 | |
| {
 | |
| 	*num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
 | |
| }
 | |
| 
 | |
| void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
 | |
| {
 | |
| 	*num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
 | |
| }
 | |
| 
 | |
| void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
 | |
| {
 | |
| 	memcpy(port_mac,
 | |
| 	       p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
 | |
| }
 | |
| 
 | |
| void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
 | |
| {
 | |
| 	struct qed_vf_iov *p_vf;
 | |
| 
 | |
| 	p_vf = p_hwfn->vf_iov_info;
 | |
| 	*num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
 | |
| }
 | |
| 
 | |
| void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
 | |
| {
 | |
| 	struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
 | |
| 
 | |
| 	*num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
 | |
| }
 | |
| 
 | |
| bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
 | |
| {
 | |
| 	struct qed_bulletin_content *bulletin;
 | |
| 
 | |
| 	bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
 | |
| 	if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
 | |
| 		return true;
 | |
| 
 | |
| 	/* Forbid VF from changing a MAC enforced by PF */
 | |
| 	if (ether_addr_equal(bulletin->mac, mac))
 | |
| 		return false;
 | |
| 
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
 | |
| 					   u8 *dst_mac, u8 *p_is_forced)
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| {
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| 	struct qed_bulletin_content *bulletin;
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| 
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| 	bulletin = &hwfn->vf_iov_info->bulletin_shadow;
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| 
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| 	if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
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| 		if (p_is_forced)
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| 			*p_is_forced = 1;
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| 	} else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
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| 		if (p_is_forced)
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| 			*p_is_forced = 0;
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| 	} else {
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| 		return false;
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| 	}
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| 
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| 	ether_addr_copy(dst_mac, bulletin->mac);
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| 
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| 	return true;
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| }
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| 
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| static void
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| qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
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| 			      u16 *p_vxlan_port, u16 *p_geneve_port)
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| {
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| 	struct qed_bulletin_content *p_bulletin;
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| 
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| 	p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
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| 
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| 	*p_vxlan_port = p_bulletin->vxlan_udp_port;
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| 	*p_geneve_port = p_bulletin->geneve_udp_port;
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| }
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| 
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| void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
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| 			   u16 *fw_major, u16 *fw_minor,
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| 			   u16 *fw_rev, u16 *fw_eng)
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| {
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| 	struct pf_vf_pfdev_info *info;
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| 
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| 	info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
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| 
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| 	*fw_major = info->fw_major;
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| 	*fw_minor = info->fw_minor;
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| 	*fw_rev = info->fw_rev;
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| 	*fw_eng = info->fw_eng;
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| }
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| 
 | |
| static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
 | |
| {
 | |
| 	struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
 | |
| 	u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
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| 	void *cookie = hwfn->cdev->ops_cookie;
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| 	u16 vxlan_port, geneve_port;
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| 
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| 	qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
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| 	is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
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| 						      &is_mac_forced);
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| 	if (is_mac_exist && cookie)
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| 		ops->force_mac(cookie, mac, !!is_mac_forced);
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| 
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| 	ops->ports_update(cookie, vxlan_port, geneve_port);
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| 
 | |
| 	/* Always update link configuration according to bulletin */
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| 	qed_link_update(hwfn, NULL);
 | |
| }
 | |
| 
 | |
| void qed_iov_vf_task(struct work_struct *work)
 | |
| {
 | |
| 	struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
 | |
| 					     iov_task.work);
 | |
| 	u8 change = 0;
 | |
| 
 | |
| 	if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
 | |
| 		return;
 | |
| 
 | |
| 	/* Handle bulletin board changes */
 | |
| 	qed_vf_read_bulletin(hwfn, &change);
 | |
| 	if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
 | |
| 			       &hwfn->iov_task_flags))
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| 		change = 1;
 | |
| 	if (change)
 | |
| 		qed_handle_bulletin_change(hwfn);
 | |
| 
 | |
| 	/* As VF is polling bulletin board, need to constantly re-schedule */
 | |
| 	queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
 | |
| }
 |