diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_vf.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_vf.c | 1718 |
1 files changed, 1718 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c new file mode 100644 index 000000000..7b0e390c0 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c @@ -0,0 +1,1718 @@ +// 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, 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 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); + + /* 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 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, 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 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, 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, + 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, 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) +{ + 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); +} |