diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
tree | d6d89a12e7eb8017837c057935a2271290907f76 /drivers/infiniband/hw/i40iw/i40iw_verbs.c | |
parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_verbs.c')
-rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_verbs.c | 449 |
1 files changed, 382 insertions, 67 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index 1fe3b84a0..283b64c94 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -63,8 +63,8 @@ static int i40iw_query_device(struct ib_device *ibdev, ether_addr_copy((u8 *)&props->sys_image_guid, iwdev->netdev->dev_addr); props->fw_ver = I40IW_FW_VERSION; props->device_cap_flags = iwdev->device_cap_flags; - props->vendor_id = iwdev->vendor_id; - props->vendor_part_id = iwdev->vendor_part_id; + props->vendor_id = iwdev->ldev->pcidev->vendor; + props->vendor_part_id = iwdev->ldev->pcidev->device; props->hw_ver = (u32)iwdev->sc_dev.hw_rev; props->max_mr_size = I40IW_MAX_OUTBOUND_MESSAGE_SIZE; props->max_qp = iwdev->max_qp; @@ -74,11 +74,12 @@ static int i40iw_query_device(struct ib_device *ibdev, props->max_cqe = iwdev->max_cqe; props->max_mr = iwdev->max_mr; props->max_pd = iwdev->max_pd; - props->max_sge_rd = 1; + props->max_sge_rd = I40IW_MAX_SGE_RD; props->max_qp_rd_atom = I40IW_MAX_IRD_SIZE; props->max_qp_init_rd_atom = props->max_qp_rd_atom; props->atomic_cap = IB_ATOMIC_NONE; props->max_map_per_fmr = 1; + props->max_fast_reg_page_list_len = I40IW_MAX_PAGES_PER_FMR; return 0; } @@ -120,7 +121,7 @@ static int i40iw_query_port(struct ib_device *ibdev, props->pkey_tbl_len = 1; props->active_width = IB_WIDTH_4X; props->active_speed = 1; - props->max_msg_sz = 0x80000000; + props->max_msg_sz = I40IW_MAX_OUTBOUND_MESSAGE_SIZE; return 0; } @@ -437,7 +438,6 @@ void i40iw_free_qp_resources(struct i40iw_device *iwdev, kfree(iwqp->kqp.wrid_mem); iwqp->kqp.wrid_mem = NULL; kfree(iwqp->allocated_buffer); - iwqp->allocated_buffer = NULL; } /** @@ -521,14 +521,12 @@ static int i40iw_setup_kmode_qp(struct i40iw_device *iwdev, enum i40iw_status_code status; struct i40iw_qp_uk_init_info *ukinfo = &info->qp_uk_init_info; - ukinfo->max_sq_frag_cnt = I40IW_MAX_WQ_FRAGMENT_COUNT; - sq_size = i40iw_qp_roundup(ukinfo->sq_size + 1); rq_size = i40iw_qp_roundup(ukinfo->rq_size + 1); - status = i40iw_get_wqe_shift(sq_size, ukinfo->max_sq_frag_cnt, &sqshift); + status = i40iw_get_wqe_shift(sq_size, ukinfo->max_sq_frag_cnt, ukinfo->max_inline_data, &sqshift); if (!status) - status = i40iw_get_wqe_shift(rq_size, ukinfo->max_rq_frag_cnt, &rqshift); + status = i40iw_get_wqe_shift(rq_size, ukinfo->max_rq_frag_cnt, 0, &rqshift); if (status) return -ENOSYS; @@ -609,6 +607,9 @@ static struct ib_qp *i40iw_create_qp(struct ib_pd *ibpd, if (init_attr->cap.max_inline_data > I40IW_MAX_INLINE_DATA_SIZE) init_attr->cap.max_inline_data = I40IW_MAX_INLINE_DATA_SIZE; + if (init_attr->cap.max_send_sge > I40IW_MAX_WQ_FRAGMENT_COUNT) + init_attr->cap.max_send_sge = I40IW_MAX_WQ_FRAGMENT_COUNT; + memset(&init_info, 0, sizeof(init_info)); sq_size = init_attr->cap.max_send_wr; @@ -618,6 +619,7 @@ static struct ib_qp *i40iw_create_qp(struct ib_pd *ibpd, init_info.qp_uk_init_info.rq_size = rq_size; init_info.qp_uk_init_info.max_sq_frag_cnt = init_attr->cap.max_send_sge; init_info.qp_uk_init_info.max_rq_frag_cnt = init_attr->cap.max_recv_sge; + init_info.qp_uk_init_info.max_inline_data = init_attr->cap.max_inline_data; mem = kzalloc(sizeof(*iwqp), GFP_KERNEL); if (!mem) @@ -722,8 +724,10 @@ static struct ib_qp *i40iw_create_qp(struct ib_pd *ibpd, iwarp_info = &iwqp->iwarp_info; iwarp_info->rd_enable = true; iwarp_info->wr_rdresp_en = true; - if (!iwqp->user_mode) + if (!iwqp->user_mode) { + iwarp_info->fast_reg_en = true; iwarp_info->priv_mode_en = true; + } iwarp_info->ddp_ver = 1; iwarp_info->rdmap_ver = 1; @@ -784,6 +788,8 @@ static struct ib_qp *i40iw_create_qp(struct ib_pd *ibpd, return ERR_PTR(err_code); } } + init_completion(&iwqp->sq_drained); + init_completion(&iwqp->rq_drained); return &iwqp->ibqp; error: @@ -1444,6 +1450,167 @@ static int i40iw_handle_q_mem(struct i40iw_device *iwdev, } /** + * i40iw_hw_alloc_stag - cqp command to allocate stag + * @iwdev: iwarp device + * @iwmr: iwarp mr pointer + */ +static int i40iw_hw_alloc_stag(struct i40iw_device *iwdev, struct i40iw_mr *iwmr) +{ + struct i40iw_allocate_stag_info *info; + struct i40iw_pd *iwpd = to_iwpd(iwmr->ibmr.pd); + enum i40iw_status_code status; + int err = 0; + struct i40iw_cqp_request *cqp_request; + struct cqp_commands_info *cqp_info; + + cqp_request = i40iw_get_cqp_request(&iwdev->cqp, true); + if (!cqp_request) + return -ENOMEM; + + cqp_info = &cqp_request->info; + info = &cqp_info->in.u.alloc_stag.info; + memset(info, 0, sizeof(*info)); + info->page_size = PAGE_SIZE; + info->stag_idx = iwmr->stag >> I40IW_CQPSQ_STAG_IDX_SHIFT; + info->pd_id = iwpd->sc_pd.pd_id; + info->total_len = iwmr->length; + info->remote_access = true; + cqp_info->cqp_cmd = OP_ALLOC_STAG; + cqp_info->post_sq = 1; + cqp_info->in.u.alloc_stag.dev = &iwdev->sc_dev; + cqp_info->in.u.alloc_stag.scratch = (uintptr_t)cqp_request; + + status = i40iw_handle_cqp_op(iwdev, cqp_request); + if (status) { + err = -ENOMEM; + i40iw_pr_err("CQP-OP MR Reg fail"); + } + return err; +} + +/** + * i40iw_alloc_mr - register stag for fast memory registration + * @pd: ibpd pointer + * @mr_type: memory for stag registrion + * @max_num_sg: man number of pages + */ +static struct ib_mr *i40iw_alloc_mr(struct ib_pd *pd, + enum ib_mr_type mr_type, + u32 max_num_sg) +{ + struct i40iw_pd *iwpd = to_iwpd(pd); + struct i40iw_device *iwdev = to_iwdev(pd->device); + struct i40iw_pble_alloc *palloc; + struct i40iw_pbl *iwpbl; + struct i40iw_mr *iwmr; + enum i40iw_status_code status; + u32 stag; + int err_code = -ENOMEM; + + iwmr = kzalloc(sizeof(*iwmr), GFP_KERNEL); + if (!iwmr) + return ERR_PTR(-ENOMEM); + + stag = i40iw_create_stag(iwdev); + if (!stag) { + err_code = -EOVERFLOW; + goto err; + } + iwmr->stag = stag; + iwmr->ibmr.rkey = stag; + iwmr->ibmr.lkey = stag; + iwmr->ibmr.pd = pd; + iwmr->ibmr.device = pd->device; + iwpbl = &iwmr->iwpbl; + iwpbl->iwmr = iwmr; + iwmr->type = IW_MEMREG_TYPE_MEM; + palloc = &iwpbl->pble_alloc; + iwmr->page_cnt = max_num_sg; + mutex_lock(&iwdev->pbl_mutex); + status = i40iw_get_pble(&iwdev->sc_dev, iwdev->pble_rsrc, palloc, iwmr->page_cnt); + mutex_unlock(&iwdev->pbl_mutex); + if (status) + goto err1; + + if (palloc->level != I40IW_LEVEL_1) + goto err2; + err_code = i40iw_hw_alloc_stag(iwdev, iwmr); + if (err_code) + goto err2; + iwpbl->pbl_allocated = true; + i40iw_add_pdusecount(iwpd); + return &iwmr->ibmr; +err2: + i40iw_free_pble(iwdev->pble_rsrc, palloc); +err1: + i40iw_free_stag(iwdev, stag); +err: + kfree(iwmr); + return ERR_PTR(err_code); +} + +/** + * i40iw_set_page - populate pbl list for fmr + * @ibmr: ib mem to access iwarp mr pointer + * @addr: page dma address fro pbl list + */ +static int i40iw_set_page(struct ib_mr *ibmr, u64 addr) +{ + struct i40iw_mr *iwmr = to_iwmr(ibmr); + struct i40iw_pbl *iwpbl = &iwmr->iwpbl; + struct i40iw_pble_alloc *palloc = &iwpbl->pble_alloc; + u64 *pbl; + + if (unlikely(iwmr->npages == iwmr->page_cnt)) + return -ENOMEM; + + pbl = (u64 *)palloc->level1.addr; + pbl[iwmr->npages++] = cpu_to_le64(addr); + return 0; +} + +/** + * i40iw_map_mr_sg - map of sg list for fmr + * @ibmr: ib mem to access iwarp mr pointer + * @sg: scatter gather list for fmr + * @sg_nents: number of sg pages + */ +static int i40iw_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, + int sg_nents, unsigned int *sg_offset) +{ + struct i40iw_mr *iwmr = to_iwmr(ibmr); + + iwmr->npages = 0; + return ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, i40iw_set_page); +} + +/** + * i40iw_drain_sq - drain the send queue + * @ibqp: ib qp pointer + */ +static void i40iw_drain_sq(struct ib_qp *ibqp) +{ + struct i40iw_qp *iwqp = to_iwqp(ibqp); + struct i40iw_sc_qp *qp = &iwqp->sc_qp; + + if (I40IW_RING_MORE_WORK(qp->qp_uk.sq_ring)) + wait_for_completion(&iwqp->sq_drained); +} + +/** + * i40iw_drain_rq - drain the receive queue + * @ibqp: ib qp pointer + */ +static void i40iw_drain_rq(struct ib_qp *ibqp) +{ + struct i40iw_qp *iwqp = to_iwqp(ibqp); + struct i40iw_sc_qp *qp = &iwqp->sc_qp; + + if (I40IW_RING_MORE_WORK(qp->qp_uk.rq_ring)) + wait_for_completion(&iwqp->rq_drained); +} + +/** * i40iw_hwreg_mr - send cqp command for memory registration * @iwdev: iwarp device * @iwmr: iwarp mr pointer @@ -1526,14 +1693,16 @@ static struct ib_mr *i40iw_reg_user_mr(struct ib_pd *pd, struct i40iw_mr *iwmr; struct ib_umem *region; struct i40iw_mem_reg_req req; - u32 pbl_depth = 0; + u64 pbl_depth = 0; u32 stag = 0; u16 access; - u32 region_length; + u64 region_length; bool use_pbles = false; unsigned long flags; int err = -ENOSYS; + if (length > I40IW_MAX_MR_SIZE) + return ERR_PTR(-EINVAL); region = ib_umem_get(pd->uobject->context, start, length, acc, 0); if (IS_ERR(region)) return (struct ib_mr *)region; @@ -1564,7 +1733,7 @@ static struct ib_mr *i40iw_reg_user_mr(struct ib_pd *pd, palloc = &iwpbl->pble_alloc; iwmr->type = req.reg_type; - iwmr->page_cnt = pbl_depth; + iwmr->page_cnt = (u32)pbl_depth; switch (req.reg_type) { case IW_MEMREG_TYPE_QP: @@ -1881,12 +2050,14 @@ static int i40iw_post_send(struct ib_qp *ibqp, enum i40iw_status_code ret; int err = 0; unsigned long flags; + bool inv_stag; iwqp = (struct i40iw_qp *)ibqp; ukqp = &iwqp->sc_qp.qp_uk; spin_lock_irqsave(&iwqp->lock, flags); while (ib_wr) { + inv_stag = false; memset(&info, 0, sizeof(info)); info.wr_id = (u64)(ib_wr->wr_id); if ((ib_wr->send_flags & IB_SEND_SIGNALED) || iwqp->sig_all) @@ -1896,19 +2067,28 @@ static int i40iw_post_send(struct ib_qp *ibqp, switch (ib_wr->opcode) { case IB_WR_SEND: - if (ib_wr->send_flags & IB_SEND_SOLICITED) - info.op_type = I40IW_OP_TYPE_SEND_SOL; - else - info.op_type = I40IW_OP_TYPE_SEND; + /* fall-through */ + case IB_WR_SEND_WITH_INV: + if (ib_wr->opcode == IB_WR_SEND) { + if (ib_wr->send_flags & IB_SEND_SOLICITED) + info.op_type = I40IW_OP_TYPE_SEND_SOL; + else + info.op_type = I40IW_OP_TYPE_SEND; + } else { + if (ib_wr->send_flags & IB_SEND_SOLICITED) + info.op_type = I40IW_OP_TYPE_SEND_SOL_INV; + else + info.op_type = I40IW_OP_TYPE_SEND_INV; + } if (ib_wr->send_flags & IB_SEND_INLINE) { info.op.inline_send.data = (void *)(unsigned long)ib_wr->sg_list[0].addr; info.op.inline_send.len = ib_wr->sg_list[0].length; - ret = ukqp->ops.iw_inline_send(ukqp, &info, rdma_wr(ib_wr)->rkey, false); + ret = ukqp->ops.iw_inline_send(ukqp, &info, ib_wr->ex.invalidate_rkey, false); } else { info.op.send.num_sges = ib_wr->num_sge; info.op.send.sg_list = (struct i40iw_sge *)ib_wr->sg_list; - ret = ukqp->ops.iw_send(ukqp, &info, rdma_wr(ib_wr)->rkey, false); + ret = ukqp->ops.iw_send(ukqp, &info, ib_wr->ex.invalidate_rkey, false); } if (ret) @@ -1936,7 +2116,14 @@ static int i40iw_post_send(struct ib_qp *ibqp, if (ret) err = -EIO; break; + case IB_WR_RDMA_READ_WITH_INV: + inv_stag = true; + /* fall-through*/ case IB_WR_RDMA_READ: + if (ib_wr->num_sge > I40IW_MAX_SGE_RD) { + err = -EINVAL; + break; + } info.op_type = I40IW_OP_TYPE_RDMA_READ; info.op.rdma_read.rem_addr.tag_off = rdma_wr(ib_wr)->remote_addr; info.op.rdma_read.rem_addr.stag = rdma_wr(ib_wr)->rkey; @@ -1944,10 +2131,52 @@ static int i40iw_post_send(struct ib_qp *ibqp, info.op.rdma_read.lo_addr.tag_off = ib_wr->sg_list->addr; info.op.rdma_read.lo_addr.stag = ib_wr->sg_list->lkey; info.op.rdma_read.lo_addr.len = ib_wr->sg_list->length; - ret = ukqp->ops.iw_rdma_read(ukqp, &info, false, false); + ret = ukqp->ops.iw_rdma_read(ukqp, &info, inv_stag, false); if (ret) err = -EIO; break; + case IB_WR_LOCAL_INV: + info.op_type = I40IW_OP_TYPE_INV_STAG; + info.op.inv_local_stag.target_stag = ib_wr->ex.invalidate_rkey; + ret = ukqp->ops.iw_stag_local_invalidate(ukqp, &info, true); + if (ret) + err = -EIO; + break; + case IB_WR_REG_MR: + { + struct i40iw_mr *iwmr = to_iwmr(reg_wr(ib_wr)->mr); + int page_shift = ilog2(reg_wr(ib_wr)->mr->page_size); + int flags = reg_wr(ib_wr)->access; + struct i40iw_pble_alloc *palloc = &iwmr->iwpbl.pble_alloc; + struct i40iw_sc_dev *dev = &iwqp->iwdev->sc_dev; + struct i40iw_fast_reg_stag_info info; + + memset(&info, 0, sizeof(info)); + info.access_rights = I40IW_ACCESS_FLAGS_LOCALREAD; + info.access_rights |= i40iw_get_user_access(flags); + info.stag_key = reg_wr(ib_wr)->key & 0xff; + info.stag_idx = reg_wr(ib_wr)->key >> 8; + info.wr_id = ib_wr->wr_id; + + info.addr_type = I40IW_ADDR_TYPE_VA_BASED; + info.va = (void *)(uintptr_t)iwmr->ibmr.iova; + info.total_len = iwmr->ibmr.length; + info.reg_addr_pa = *(u64 *)palloc->level1.addr; + info.first_pm_pbl_index = palloc->level1.idx; + info.local_fence = ib_wr->send_flags & IB_SEND_FENCE; + info.signaled = ib_wr->send_flags & IB_SEND_SIGNALED; + + if (iwmr->npages > I40IW_MIN_PAGES_PER_FMR) + info.chunk_size = 1; + + if (page_shift == 21) + info.page_size = 1; /* 2M page */ + + ret = dev->iw_priv_qp_ops->iw_mr_fast_register(&iwqp->sc_qp, &info, true); + if (ret) + err = -EIO; + break; + } default: err = -EINVAL; i40iw_pr_err(" upost_send bad opcode = 0x%x\n", @@ -2027,6 +2256,7 @@ static int i40iw_poll_cq(struct ib_cq *ibcq, enum i40iw_status_code ret; struct i40iw_cq_uk *ukcq; struct i40iw_sc_qp *qp; + struct i40iw_qp *iwqp; unsigned long flags; iwcq = (struct i40iw_cq *)ibcq; @@ -2037,6 +2267,8 @@ static int i40iw_poll_cq(struct ib_cq *ibcq, ret = ukcq->ops.iw_cq_poll_completion(ukcq, &cq_poll_info, true); if (ret == I40IW_ERR_QUEUE_EMPTY) { break; + } else if (ret == I40IW_ERR_QUEUE_DESTROYED) { + continue; } else if (ret) { if (!cqe_count) cqe_count = -1; @@ -2044,10 +2276,12 @@ static int i40iw_poll_cq(struct ib_cq *ibcq, } entry->wc_flags = 0; entry->wr_id = cq_poll_info.wr_id; - if (!cq_poll_info.error) - entry->status = IB_WC_SUCCESS; - else + if (cq_poll_info.error) { entry->status = IB_WC_WR_FLUSH_ERR; + entry->vendor_err = cq_poll_info.major_err << 16 | cq_poll_info.minor_err; + } else { + entry->status = IB_WC_SUCCESS; + } switch (cq_poll_info.op_type) { case I40IW_OP_TYPE_RDMA_WRITE: @@ -2071,12 +2305,17 @@ static int i40iw_poll_cq(struct ib_cq *ibcq, break; } - entry->vendor_err = - cq_poll_info.major_err << 16 | cq_poll_info.minor_err; entry->ex.imm_data = 0; qp = (struct i40iw_sc_qp *)cq_poll_info.qp_handle; entry->qp = (struct ib_qp *)qp->back_qp; entry->src_qp = cq_poll_info.qp_id; + iwqp = (struct i40iw_qp *)qp->back_qp; + if (iwqp->iwarp_state > I40IW_QP_STATE_RTS) { + if (!I40IW_RING_MORE_WORK(qp->qp_uk.sq_ring)) + complete(&iwqp->sq_drained); + if (!I40IW_RING_MORE_WORK(qp->qp_uk.rq_ring)) + complete(&iwqp->rq_drained); + } entry->byte_len = cq_poll_info.bytes_xfered; entry++; cqe_count++; @@ -2095,13 +2334,16 @@ static int i40iw_req_notify_cq(struct ib_cq *ibcq, { struct i40iw_cq *iwcq; struct i40iw_cq_uk *ukcq; - enum i40iw_completion_notify cq_notify = IW_CQ_COMPL_SOLICITED; + unsigned long flags; + enum i40iw_completion_notify cq_notify = IW_CQ_COMPL_EVENT; iwcq = (struct i40iw_cq *)ibcq; ukcq = &iwcq->sc_cq.cq_uk; - if (notify_flags == IB_CQ_NEXT_COMP) - cq_notify = IW_CQ_COMPL_EVENT; + if (notify_flags == IB_CQ_SOLICITED) + cq_notify = IW_CQ_COMPL_SOLICITED; + spin_lock_irqsave(&iwcq->lock, flags); ukcq->ops.iw_cq_request_notification(ukcq, cq_notify); + spin_unlock_irqrestore(&iwcq->lock, flags); return 0; } @@ -2129,62 +2371,130 @@ static int i40iw_port_immutable(struct ib_device *ibdev, u8 port_num, return 0; } +static const char * const i40iw_hw_stat_names[] = { + // 32bit names + [I40IW_HW_STAT_INDEX_IP4RXDISCARD] = "ip4InDiscards", + [I40IW_HW_STAT_INDEX_IP4RXTRUNC] = "ip4InTruncatedPkts", + [I40IW_HW_STAT_INDEX_IP4TXNOROUTE] = "ip4OutNoRoutes", + [I40IW_HW_STAT_INDEX_IP6RXDISCARD] = "ip6InDiscards", + [I40IW_HW_STAT_INDEX_IP6RXTRUNC] = "ip6InTruncatedPkts", + [I40IW_HW_STAT_INDEX_IP6TXNOROUTE] = "ip6OutNoRoutes", + [I40IW_HW_STAT_INDEX_TCPRTXSEG] = "tcpRetransSegs", + [I40IW_HW_STAT_INDEX_TCPRXOPTERR] = "tcpInOptErrors", + [I40IW_HW_STAT_INDEX_TCPRXPROTOERR] = "tcpInProtoErrors", + // 64bit names + [I40IW_HW_STAT_INDEX_IP4RXOCTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip4InOctets", + [I40IW_HW_STAT_INDEX_IP4RXPKTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip4InPkts", + [I40IW_HW_STAT_INDEX_IP4RXFRAGS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip4InReasmRqd", + [I40IW_HW_STAT_INDEX_IP4RXMCPKTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip4InMcastPkts", + [I40IW_HW_STAT_INDEX_IP4TXOCTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip4OutOctets", + [I40IW_HW_STAT_INDEX_IP4TXPKTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip4OutPkts", + [I40IW_HW_STAT_INDEX_IP4TXFRAGS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip4OutSegRqd", + [I40IW_HW_STAT_INDEX_IP4TXMCPKTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip4OutMcastPkts", + [I40IW_HW_STAT_INDEX_IP6RXOCTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip6InOctets", + [I40IW_HW_STAT_INDEX_IP6RXPKTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip6InPkts", + [I40IW_HW_STAT_INDEX_IP6RXFRAGS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip6InReasmRqd", + [I40IW_HW_STAT_INDEX_IP6RXMCPKTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip6InMcastPkts", + [I40IW_HW_STAT_INDEX_IP6TXOCTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip6OutOctets", + [I40IW_HW_STAT_INDEX_IP6TXPKTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip6OutPkts", + [I40IW_HW_STAT_INDEX_IP6TXFRAGS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip6OutSegRqd", + [I40IW_HW_STAT_INDEX_IP6TXMCPKTS + I40IW_HW_STAT_INDEX_MAX_32] = + "ip6OutMcastPkts", + [I40IW_HW_STAT_INDEX_TCPRXSEGS + I40IW_HW_STAT_INDEX_MAX_32] = + "tcpInSegs", + [I40IW_HW_STAT_INDEX_TCPTXSEG + I40IW_HW_STAT_INDEX_MAX_32] = + "tcpOutSegs", + [I40IW_HW_STAT_INDEX_RDMARXRDS + I40IW_HW_STAT_INDEX_MAX_32] = + "iwInRdmaReads", + [I40IW_HW_STAT_INDEX_RDMARXSNDS + I40IW_HW_STAT_INDEX_MAX_32] = + "iwInRdmaSends", + [I40IW_HW_STAT_INDEX_RDMARXWRS + I40IW_HW_STAT_INDEX_MAX_32] = + "iwInRdmaWrites", + [I40IW_HW_STAT_INDEX_RDMATXRDS + I40IW_HW_STAT_INDEX_MAX_32] = + "iwOutRdmaReads", + [I40IW_HW_STAT_INDEX_RDMATXSNDS + I40IW_HW_STAT_INDEX_MAX_32] = + "iwOutRdmaSends", + [I40IW_HW_STAT_INDEX_RDMATXWRS + I40IW_HW_STAT_INDEX_MAX_32] = + "iwOutRdmaWrites", + [I40IW_HW_STAT_INDEX_RDMAVBND + I40IW_HW_STAT_INDEX_MAX_32] = + "iwRdmaBnd", + [I40IW_HW_STAT_INDEX_RDMAVINV + I40IW_HW_STAT_INDEX_MAX_32] = + "iwRdmaInv" +}; + +/** + * i40iw_alloc_hw_stats - Allocate a hw stats structure + * @ibdev: device pointer from stack + * @port_num: port number + */ +static struct rdma_hw_stats *i40iw_alloc_hw_stats(struct ib_device *ibdev, + u8 port_num) +{ + struct i40iw_device *iwdev = to_iwdev(ibdev); + struct i40iw_sc_dev *dev = &iwdev->sc_dev; + int num_counters = I40IW_HW_STAT_INDEX_MAX_32 + + I40IW_HW_STAT_INDEX_MAX_64; + unsigned long lifespan = RDMA_HW_STATS_DEFAULT_LIFESPAN; + + BUILD_BUG_ON(ARRAY_SIZE(i40iw_hw_stat_names) != + (I40IW_HW_STAT_INDEX_MAX_32 + + I40IW_HW_STAT_INDEX_MAX_64)); + + /* + * PFs get the default update lifespan, but VFs only update once + * per second + */ + if (!dev->is_pf) + lifespan = 1000; + return rdma_alloc_hw_stats_struct(i40iw_hw_stat_names, num_counters, + lifespan); +} + /** - * i40iw_get_protocol_stats - Populates the rdma_stats structure - * @ibdev: ib dev struct - * @stats: iw protocol stats struct + * i40iw_get_hw_stats - Populates the rdma_hw_stats structure + * @ibdev: device pointer from stack + * @stats: stats pointer from stack + * @port_num: port number + * @index: which hw counter the stack is requesting we update */ -static int i40iw_get_protocol_stats(struct ib_device *ibdev, - union rdma_protocol_stats *stats) +static int i40iw_get_hw_stats(struct ib_device *ibdev, + struct rdma_hw_stats *stats, + u8 port_num, int index) { struct i40iw_device *iwdev = to_iwdev(ibdev); struct i40iw_sc_dev *dev = &iwdev->sc_dev; struct i40iw_dev_pestat *devstat = &dev->dev_pestat; struct i40iw_dev_hw_stats *hw_stats = &devstat->hw_stats; - struct timespec curr_time; - static struct timespec last_rd_time = {0, 0}; - enum i40iw_status_code status = 0; unsigned long flags; - curr_time = current_kernel_time(); - memset(stats, 0, sizeof(*stats)); - if (dev->is_pf) { spin_lock_irqsave(&devstat->stats_lock, flags); devstat->ops.iw_hw_stat_read_all(devstat, &devstat->hw_stats); spin_unlock_irqrestore(&devstat->stats_lock, flags); } else { - if (((u64)curr_time.tv_sec - (u64)last_rd_time.tv_sec) > 1) - status = i40iw_vchnl_vf_get_pe_stats(dev, - &devstat->hw_stats); - - if (status) + if (i40iw_vchnl_vf_get_pe_stats(dev, &devstat->hw_stats)) return -ENOSYS; } - stats->iw.ipInReceives = hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP4RXPKTS] + - hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP6RXPKTS]; - stats->iw.ipInTruncatedPkts = hw_stats->stat_value_32[I40IW_HW_STAT_INDEX_IP4RXTRUNC] + - hw_stats->stat_value_32[I40IW_HW_STAT_INDEX_IP6RXTRUNC]; - stats->iw.ipInDiscards = hw_stats->stat_value_32[I40IW_HW_STAT_INDEX_IP4RXDISCARD] + - hw_stats->stat_value_32[I40IW_HW_STAT_INDEX_IP6RXDISCARD]; - stats->iw.ipOutNoRoutes = hw_stats->stat_value_32[I40IW_HW_STAT_INDEX_IP4TXNOROUTE] + - hw_stats->stat_value_32[I40IW_HW_STAT_INDEX_IP6TXNOROUTE]; - stats->iw.ipReasmReqds = hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP4RXFRAGS] + - hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP6RXFRAGS]; - stats->iw.ipFragCreates = hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP4TXFRAGS] + - hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP6TXFRAGS]; - stats->iw.ipInMcastPkts = hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP4RXMCPKTS] + - hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP6RXMCPKTS]; - stats->iw.ipOutMcastPkts = hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP4TXMCPKTS] + - hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP6TXMCPKTS]; - stats->iw.tcpOutSegs = hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_TCPTXSEG]; - stats->iw.tcpInSegs = hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_TCPRXSEGS]; - stats->iw.tcpRetransSegs = hw_stats->stat_value_32[I40IW_HW_STAT_INDEX_TCPRTXSEG]; - - last_rd_time = curr_time; - return 0; + memcpy(&stats->value[0], &hw_stats, sizeof(*hw_stats)); + + return stats->num_counters; } /** @@ -2323,10 +2633,15 @@ static struct i40iw_ib_device *i40iw_init_rdma_device(struct i40iw_device *iwdev iwibdev->ibdev.get_dma_mr = i40iw_get_dma_mr; iwibdev->ibdev.reg_user_mr = i40iw_reg_user_mr; iwibdev->ibdev.dereg_mr = i40iw_dereg_mr; - iwibdev->ibdev.get_protocol_stats = i40iw_get_protocol_stats; + iwibdev->ibdev.alloc_hw_stats = i40iw_alloc_hw_stats; + iwibdev->ibdev.get_hw_stats = i40iw_get_hw_stats; iwibdev->ibdev.query_device = i40iw_query_device; iwibdev->ibdev.create_ah = i40iw_create_ah; iwibdev->ibdev.destroy_ah = i40iw_destroy_ah; + iwibdev->ibdev.drain_sq = i40iw_drain_sq; + iwibdev->ibdev.drain_rq = i40iw_drain_rq; + iwibdev->ibdev.alloc_mr = i40iw_alloc_mr; + iwibdev->ibdev.map_mr_sg = i40iw_map_mr_sg; iwibdev->ibdev.iwcm = kzalloc(sizeof(*iwibdev->ibdev.iwcm), GFP_KERNEL); if (!iwibdev->ibdev.iwcm) { ib_dealloc_device(&iwibdev->ibdev); |