Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Yuval Mintz | 6543 | 82.93% | 36 | 57.14% |
Manish Chopra | 864 | 10.95% | 8 | 12.70% |
Rahul Verma | 280 | 3.55% | 3 | 4.76% |
Shahed Shaikh | 93 | 1.18% | 1 | 1.59% |
Alexander Lobakin | 53 | 0.67% | 3 | 4.76% |
Sudarsana Reddy Kalluru | 26 | 0.33% | 3 | 4.76% |
Jia-Ju Bai | 14 | 0.18% | 1 | 1.59% |
Ram Amrani | 6 | 0.08% | 1 | 1.59% |
Dan Carpenter | 3 | 0.04% | 1 | 1.59% |
Nathan Chancellor | 2 | 0.03% | 1 | 1.59% |
Omkar Kulkarni | 2 | 0.03% | 1 | 1.59% |
Colin Ian King | 1 | 0.01% | 1 | 1.59% |
Jakub Kiciński | 1 | 0.01% | 1 | 1.59% |
Baoyou Xie | 1 | 0.01% | 1 | 1.59% |
Yue haibing | 1 | 0.01% | 1 | 1.59% |
Total | 7890 | 63 |
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) /* QLogic qed NIC Driver * Copyright (c) 2015-2017 QLogic Corporation * Copyright (c) 2019-2020 Marvell International Ltd. */ #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 Request 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)); } #define QED_VF_CHANNEL_USLEEP_ITERATIONS 90 #define QED_VF_CHANNEL_USLEEP_DELAY 100 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS 10 #define QED_VF_CHANNEL_MSLEEP_DELAY 25 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done) { 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 iter, rc = 0; zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B; /* output tlvs list */ qed_dp_tlv_list(p_hwfn, p_req); /* 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 from a coherent DMA zone. Poll until then. */ iter = QED_VF_CHANNEL_USLEEP_ITERATIONS; while (!*done && iter--) { udelay(QED_VF_CHANNEL_USLEEP_DELAY); dma_rmb(); } iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS; while (!*done && iter--) { msleep(QED_VF_CHANNEL_MSLEEP_DELAY); dma_rmb(); } 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); 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); /* 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 overridden 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); if (!p_iov->bulletin.p_virt) goto free_pf2vf_reply; 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_pf2vf_reply: dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(union pfvf_tlvs), p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys); 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); 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); 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); 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); 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); 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); 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); 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; u16 size, tlv; int rc; resp = &p_iov->pf2vf_reply->default_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); 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); 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); 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); 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); 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); 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); 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); 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); 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); 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); 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, const 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); 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); 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) { struct qed_bulletin_content *bulletin; bulletin = &hwfn->vf_iov_info->bulletin_shadow; if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) { if (p_is_forced) *p_is_forced = 1; } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) { if (p_is_forced) *p_is_forced = 0; } else { return false; } ether_addr_copy(dst_mac, bulletin->mac); return true; } static void qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn, u16 *p_vxlan_port, u16 *p_geneve_port) { struct qed_bulletin_content *p_bulletin; p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow; *p_vxlan_port = p_bulletin->vxlan_udp_port; *p_geneve_port = p_bulletin->geneve_udp_port; } void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn, u16 *fw_major, u16 *fw_minor, u16 *fw_rev, u16 *fw_eng) { struct pf_vf_pfdev_info *info; info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info; *fw_major = info->fw_major; *fw_minor = info->fw_minor; *fw_rev = info->fw_rev; *fw_eng = info->fw_eng; } 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; void *cookie = hwfn->cdev->ops_cookie; u16 vxlan_port, geneve_port; qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port); is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac, &is_mac_forced); if (is_mac_exist && cookie) ops->force_mac(cookie, mac, !!is_mac_forced); ops->ports_update(cookie, vxlan_port, geneve_port); /* Always update link configuration according to bulletin */ 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)) 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); }
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1