X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fqede%2Fbase%2Fecore_vf.c;h=3ba6a0cf2e37b37b127ffd6d0881f0db657fca7b;hb=45a49cc7e7a589d268e362ee275c399a6640708a;hp=97ed0b77a05010daf35d9d7d9135be084136df22;hpb=823a84aa6ba2a6b9a496319e9e010b31ef4b24c4;p=dpdk.git

diff --git a/drivers/net/qede/base/ecore_vf.c b/drivers/net/qede/base/ecore_vf.c
index 97ed0b77a0..3ba6a0cf2e 100644
--- a/drivers/net/qede/base/ecore_vf.c
+++ b/drivers/net/qede/base/ecore_vf.c
@@ -1,9 +1,7 @@
-/*
- * Copyright (c) 2016 QLogic Corporation.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2016 - 2018 Cavium Inc.
  * All rights reserved.
- * www.qlogic.com
- *
- * See LICENSE.qede_pmd for copyright and licensing details.
+ * www.cavium.com
  */
 
 #include "bcm_osal.h"
@@ -34,7 +32,7 @@ static void *ecore_vf_pf_prep(struct ecore_hwfn *p_hwfn, u16 type, u16 length)
 
 	DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
 		   "preparing to send %s tlv over vf pf channel\n",
-		   ecore_channel_tlvs_string[type]);
+		   qede_ecore_channel_tlvs_string[type]);
 
 	/* Reset Request offset */
 	p_iov->offset = (u8 *)(p_iov->vf2pf_request);
@@ -65,6 +63,14 @@ static void ecore_vf_pf_req_end(struct ecore_hwfn *p_hwfn,
 	OSAL_MUTEX_RELEASE(&p_hwfn->vf_iov_info->mutex);
 }
 
+#ifdef CONFIG_ECORE_SW_CHANNEL
+/* The SW channel implementation of Windows needs to know the 'exact'
+ * response size of any given message. That means that for future
+ * messages we'd be unable to send TLVs to PF if he'll be unable to
+ * answer them if the |response| != |default response|.
+ * We'd need to handshake in acquire capabilities for any such.
+ */
+#endif
 static enum _ecore_status_t
 ecore_send_msg2pf(struct ecore_hwfn *p_hwfn,
 		  u8 *done, u32 resp_size)
@@ -122,14 +128,20 @@ ecore_send_msg2pf(struct ecore_hwfn *p_hwfn,
 	}
 
 	if (!*done) {
-		DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
-			   "VF <-- PF Timeout [Type %d]\n",
-			   p_req->first_tlv.tl.type);
+		DP_NOTICE(p_hwfn, true,
+			  "VF <-- PF Timeout [Type %d]\n",
+			  p_req->first_tlv.tl.type);
 		rc = ECORE_TIMEOUT;
 	} else {
-		DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
-			   "PF response: %d [Type %d]\n",
-			   *done, p_req->first_tlv.tl.type);
+		if ((*done != PFVF_STATUS_SUCCESS) &&
+		    (*done != PFVF_STATUS_NO_RESOURCE))
+			DP_NOTICE(p_hwfn, false,
+				  "PF response: %d [Type %d]\n",
+				  *done, p_req->first_tlv.tl.type);
+		else
+			DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
+				   "PF response: %d [Type %d]\n",
+				   *done, p_req->first_tlv.tl.type);
 	}
 
 	return rc;
@@ -151,6 +163,69 @@ static void ecore_vf_pf_add_qid(struct ecore_hwfn *p_hwfn,
 	p_qid_tlv->qid = p_cid->qid_usage_idx;
 }
 
+enum _ecore_status_t _ecore_vf_pf_release(struct ecore_hwfn *p_hwfn,
+					  bool b_final)
+{
+	struct ecore_vf_iov *p_iov = p_hwfn->vf_iov_info;
+	struct pfvf_def_resp_tlv *resp;
+	struct vfpf_first_tlv *req;
+	u32 size;
+	enum _ecore_status_t rc;
+
+	/* clear mailbox and prep first tlv */
+	req = ecore_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
+
+	/* add list termination tlv */
+	ecore_add_tlv(&p_iov->offset,
+		      CHANNEL_TLV_LIST_END,
+		      sizeof(struct channel_list_end_tlv));
+
+	resp = &p_iov->pf2vf_reply->default_resp;
+	rc = ecore_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
+
+	if (rc == ECORE_SUCCESS && resp->hdr.status != PFVF_STATUS_SUCCESS)
+		rc = ECORE_AGAIN;
+
+	ecore_vf_pf_req_end(p_hwfn, rc);
+	if (!b_final)
+		return rc;
+
+	p_hwfn->b_int_enabled = 0;
+
+	if (p_iov->vf2pf_request)
+		OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
+				       p_iov->vf2pf_request,
+				       p_iov->vf2pf_request_phys,
+				       sizeof(union vfpf_tlvs));
+	if (p_iov->pf2vf_reply)
+		OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
+				       p_iov->pf2vf_reply,
+				       p_iov->pf2vf_reply_phys,
+				       sizeof(union pfvf_tlvs));
+
+	if (p_iov->bulletin.p_virt) {
+		size = sizeof(struct ecore_bulletin_content);
+		OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
+				       p_iov->bulletin.p_virt,
+				       p_iov->bulletin.phys,
+				       size);
+	}
+
+#ifdef CONFIG_ECORE_LOCK_ALLOC
+	OSAL_MUTEX_DEALLOC(&p_iov->mutex);
+#endif
+
+	OSAL_FREE(p_hwfn->p_dev, p_hwfn->vf_iov_info);
+	p_hwfn->vf_iov_info = OSAL_NULL;
+
+	return rc;
+}
+
+enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn *p_hwfn)
+{
+	return _ecore_vf_pf_release(p_hwfn, true);
+}
+
 #define VF_ACQUIRE_THRESH 3
 static void ecore_vf_pf_acquire_reduce_resc(struct ecore_hwfn *p_hwfn,
 					    struct vf_pf_resc_request *p_req,
@@ -217,6 +292,11 @@ static enum _ecore_status_t ecore_vf_pf_acquire(struct ecore_hwfn *p_hwfn)
 	/* 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;
+
 	/* pf 2 vf bulletin board address */
 	req->bulletin_addr = p_iov->bulletin.phys;
 	req->bulletin_size = p_iov->bulletin.size;
@@ -237,10 +317,8 @@ static enum _ecore_status_t ecore_vf_pf_acquire(struct ecore_hwfn *p_hwfn)
 		/* send acquire request */
 		rc = ecore_send_msg2pf(p_hwfn,
 				       &resp->hdr.status, sizeof(*resp));
-
-		/* PF timeout */
-		if (rc)
-			return rc;
+		if (rc != ECORE_SUCCESS)
+			goto exit;
 
 		/* copy acquire response from buffer to p_hwfn */
 		OSAL_MEMCPY(&p_iov->acquire_resp,
@@ -382,10 +460,28 @@ exit:
 	return rc;
 }
 
+u32 ecore_vf_hw_bar_size(struct ecore_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;
+}
+
 enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn)
 {
+	struct ecore_hwfn *p_lead = ECORE_LEADING_HWFN(p_hwfn->p_dev);
 	struct ecore_vf_iov *p_iov;
 	u32 reg;
+	enum _ecore_status_t rc;
 
 	/* Set number of hwfns - might be overridden once leading hwfn learns
 	 * actual configuration from PF.
@@ -393,10 +489,6 @@ enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn)
 	if (IS_LEAD_HWFN(p_hwfn))
 		p_hwfn->p_dev->num_hwfns = 1;
 
-	/* Set the doorbell bar. Assumption: regview is set */
-	p_hwfn->doorbells = (u8 OSAL_IOMEM *)p_hwfn->regview +
-	    PXP_VF_BAR0_START_DQ;
-
 	reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
 	p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
 
@@ -411,6 +503,31 @@ enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn)
 		return ECORE_NOMEM;
 	}
 
+	/* 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 == OSAL_NULL) {
+		p_hwfn->doorbells = (u8 OSAL_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 OSAL_IOMEM *)
+					    p_hwfn->regview +
+					    PXP_VF_BAR0_START_DQ;
+	}
+
 	/* Allocate vf2pf msg */
 	p_iov->vf2pf_request = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
 							 &p_iov->
@@ -448,13 +565,20 @@ enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn)
 							   phys,
 							   p_iov->bulletin.
 							   size);
+	if (!p_iov->bulletin.p_virt) {
+		DP_NOTICE(p_hwfn, false, "Failed to alloc bulletin memory\n");
+		goto free_pf2vf_reply;
+	}
 	DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
 		   "VF's bulletin Board [%p virt 0x%lx phys 0x%08x bytes]\n",
 		   p_iov->bulletin.p_virt, (unsigned long)p_iov->bulletin.phys,
 		   p_iov->bulletin.size);
 
 #ifdef CONFIG_ECORE_LOCK_ALLOC
-	OSAL_MUTEX_ALLOC(p_hwfn, &p_iov->mutex);
+	if (OSAL_MUTEX_ALLOC(p_hwfn, &p_iov->mutex)) {
+		DP_NOTICE(p_hwfn, false, "Failed to allocate p_iov->mutex\n");
+		goto free_bulletin_mem;
+	}
 #endif
 	OSAL_MUTEX_INIT(&p_iov->mutex);
 
@@ -462,8 +586,46 @@ enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn)
 
 	p_hwfn->hw_info.personality = ECORE_PCI_ETH;
 
-	return ecore_vf_pf_acquire(p_hwfn);
+	rc = ecore_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 == ECORE_SUCCESS &&
+	    p_iov->b_doorbell_bar &&
+	    !ecore_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
+	    ECORE_IS_CMT(p_hwfn->p_dev)) {
+		rc = _ecore_vf_pf_release(p_hwfn, false);
+		if (rc != ECORE_SUCCESS)
+			return rc;
+
+		p_iov->b_doorbell_bar = false;
+		p_hwfn->doorbells = (u8 OSAL_IOMEM *)p_hwfn->regview +
+						     PXP_VF_BAR0_START_DQ;
+		rc = ecore_vf_pf_acquire(p_hwfn);
+	}
+
+	DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
+		   "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
+		   p_hwfn->regview, p_hwfn->doorbells,
+		   p_hwfn->p_dev->doorbells);
 
+	return rc;
+
+#ifdef CONFIG_ECORE_LOCK_ALLOC
+free_bulletin_mem:
+	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_iov->bulletin.p_virt,
+			       p_iov->bulletin.phys,
+			       p_iov->bulletin.size);
+#endif
+free_pf2vf_reply:
+	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_iov->pf2vf_reply,
+			       p_iov->pf2vf_reply_phys,
+			       sizeof(union pfvf_tlvs));
 free_vf2pf_request:
 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_iov->vf2pf_request,
 			       p_iov->vf2pf_request_phys,
@@ -1022,7 +1184,7 @@ ecore_vf_handle_vp_update_is_needed(struct ecore_hwfn *p_hwfn,
 		return !!p_data->sge_tpa_params;
 	default:
 		DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d] %s\n",
-			tlv, ecore_channel_tlvs_string[tlv]);
+			tlv, qede_ecore_channel_tlvs_string[tlv]);
 		return false;
 	}
 }
@@ -1046,7 +1208,7 @@ ecore_vf_handle_vp_update_tlvs_resp(struct ecore_hwfn *p_hwfn,
 		if (p_resp && p_resp->hdr.status)
 			DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
 				   "TLV[%d] type %s Configuration %s\n",
-				   tlv, ecore_channel_tlvs_string[tlv],
+				   tlv, qede_ecore_channel_tlvs_string[tlv],
 				   (p_resp && p_resp->hdr.status) ? "succeeded"
 								  : "failed");
 	}
@@ -1128,8 +1290,7 @@ ecore_vf_pf_vport_update(struct ecore_hwfn *p_hwfn,
 		resp_size += sizeof(struct pfvf_def_resp_tlv);
 
 		OSAL_MEMCPY(p_mcast_tlv->bins, p_params->bins,
-			    sizeof(unsigned long) *
-			    ETH_MULTICAST_MAC_BINS_IN_REGS);
+			    sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
 	}
 
 	update_rx = p_params->accept_flags.update_rx_mode_config;
@@ -1238,6 +1399,12 @@ ecore_vf_pf_vport_update(struct ecore_hwfn *p_hwfn,
 		if (sge_tpa_params->tpa_gro_consistent_flg)
 			p_sge_tpa_tlv->sge_tpa_flags |=
 			    VFPF_TPA_GRO_CONSIST_FLAG;
+		if (sge_tpa_params->tpa_ipv4_tunn_en_flg)
+			p_sge_tpa_tlv->sge_tpa_flags |=
+			    VFPF_TPA_TUNN_IPV4_EN_FLAG;
+		if (sge_tpa_params->tpa_ipv6_tunn_en_flg)
+			p_sge_tpa_tlv->sge_tpa_flags |=
+			    VFPF_TPA_TUNN_IPV6_EN_FLAG;
 
 		p_sge_tpa_tlv->tpa_max_aggs_num =
 		    sge_tpa_params->tpa_max_aggs_num;
@@ -1306,59 +1473,6 @@ exit:
 	return rc;
 }
 
-enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn *p_hwfn)
-{
-	struct ecore_vf_iov *p_iov = p_hwfn->vf_iov_info;
-	struct pfvf_def_resp_tlv *resp;
-	struct vfpf_first_tlv *req;
-	u32 size;
-	enum _ecore_status_t rc;
-
-	/* clear mailbox and prep first tlv */
-	req = ecore_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
-
-	/* add list termination tlv */
-	ecore_add_tlv(&p_iov->offset,
-		      CHANNEL_TLV_LIST_END,
-		      sizeof(struct channel_list_end_tlv));
-
-	resp = &p_iov->pf2vf_reply->default_resp;
-	rc = ecore_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
-
-	if (rc == ECORE_SUCCESS && resp->hdr.status != PFVF_STATUS_SUCCESS)
-		rc = ECORE_AGAIN;
-
-	ecore_vf_pf_req_end(p_hwfn, rc);
-
-	p_hwfn->b_int_enabled = 0;
-
-	if (p_iov->vf2pf_request)
-		OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
-				       p_iov->vf2pf_request,
-				       p_iov->vf2pf_request_phys,
-				       sizeof(union vfpf_tlvs));
-	if (p_iov->pf2vf_reply)
-		OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
-				       p_iov->pf2vf_reply,
-				       p_iov->pf2vf_reply_phys,
-				       sizeof(union pfvf_tlvs));
-
-	if (p_iov->bulletin.p_virt) {
-		size = sizeof(struct ecore_bulletin_content);
-		OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
-				       p_iov->bulletin.p_virt,
-				       p_iov->bulletin.phys, size);
-	}
-
-#ifdef CONFIG_ECORE_LOCK_ALLOC
-	OSAL_MUTEX_DEALLOC(&p_iov->mutex);
-#endif
-
-	OSAL_FREE(p_hwfn->p_dev, p_hwfn->vf_iov_info);
-
-	return rc;
-}
-
 void ecore_vf_pf_filter_mcast(struct ecore_hwfn *p_hwfn,
 			      struct ecore_filter_mcast *p_filter_cmd)
 {
@@ -1373,7 +1487,7 @@ void ecore_vf_pf_filter_mcast(struct ecore_hwfn *p_hwfn,
 			u32 bit;
 
 			bit = ecore_mcast_bin_from_mac(p_filter_cmd->mac[i]);
-			OSAL_SET_BIT(bit, sp_params.bins);
+			sp_params.bins[bit / 32] |= 1 << (bit % 32);
 		}
 	}
 
@@ -1529,6 +1643,39 @@ exit:
 	return rc;
 }
 
+enum _ecore_status_t
+ecore_vf_pf_update_mtu(struct ecore_hwfn *p_hwfn, u16 mtu)
+{
+	struct ecore_vf_iov *p_iov = p_hwfn->vf_iov_info;
+	struct vfpf_update_mtu_tlv *p_req;
+	struct pfvf_def_resp_tlv *p_resp;
+	enum _ecore_status_t rc;
+
+	if (!mtu)
+		return ECORE_INVAL;
+
+	/* clear mailbox and prep header tlv */
+	p_req = ecore_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_MTU,
+				 sizeof(*p_req));
+	p_req->mtu = mtu;
+	DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
+		   "Requesting MTU update to %d\n", mtu);
+
+	/* add list termination tlv */
+	ecore_add_tlv(&p_iov->offset,
+		      CHANNEL_TLV_LIST_END,
+		      sizeof(struct channel_list_end_tlv));
+
+	p_resp = &p_iov->pf2vf_reply->default_resp;
+	rc = ecore_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
+	if (p_resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED)
+		rc = ECORE_INVAL;
+
+	ecore_vf_pf_req_end(p_hwfn, rc);
+
+	return rc;
+}
+
 u16 ecore_vf_get_igu_sb_id(struct ecore_hwfn *p_hwfn,
 			   u16               sb_id)
 {
@@ -1781,3 +1928,10 @@ void ecore_vf_get_fw_version(struct ecore_hwfn *p_hwfn,
 	*fw_rev = info->fw_rev;
 	*fw_eng = info->fw_eng;
 }
+
+#ifdef CONFIG_ECORE_SW_CHANNEL
+void ecore_vf_set_hw_channel(struct ecore_hwfn *p_hwfn, bool b_is_hw)
+{
+	p_hwfn->vf_iov_info->b_hw_channel = b_is_hw;
+}
+#endif