| /* |
| * Broadcom NetXtreme-E RoCE driver. |
| * |
| * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term |
| * Broadcom refers to Broadcom Limited and/or its subsidiaries. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Description: Statistics |
| * |
| */ |
| |
| #include <linux/interrupt.h> |
| #include <linux/types.h> |
| #include <linux/spinlock.h> |
| #include <linux/sched.h> |
| #include <linux/slab.h> |
| #include <linux/pci.h> |
| #include <linux/prefetch.h> |
| #include <linux/delay.h> |
| |
| #include <rdma/ib_addr.h> |
| |
| #include "bnxt_ulp.h" |
| #include "roce_hsi.h" |
| #include "qplib_res.h" |
| #include "qplib_sp.h" |
| #include "qplib_fp.h" |
| #include "qplib_rcfw.h" |
| #include "bnxt_re.h" |
| #include "hw_counters.h" |
| |
| static const struct rdma_stat_desc bnxt_re_stat_descs[] = { |
| [BNXT_RE_ACTIVE_PD].name = "active_pds", |
| [BNXT_RE_ACTIVE_AH].name = "active_ahs", |
| [BNXT_RE_ACTIVE_QP].name = "active_qps", |
| [BNXT_RE_ACTIVE_SRQ].name = "active_srqs", |
| [BNXT_RE_ACTIVE_CQ].name = "active_cqs", |
| [BNXT_RE_ACTIVE_MR].name = "active_mrs", |
| [BNXT_RE_ACTIVE_MW].name = "active_mws", |
| [BNXT_RE_RX_PKTS].name = "rx_pkts", |
| [BNXT_RE_RX_BYTES].name = "rx_bytes", |
| [BNXT_RE_TX_PKTS].name = "tx_pkts", |
| [BNXT_RE_TX_BYTES].name = "tx_bytes", |
| [BNXT_RE_RECOVERABLE_ERRORS].name = "recoverable_errors", |
| [BNXT_RE_RX_ERRORS].name = "rx_roce_errors", |
| [BNXT_RE_RX_DISCARDS].name = "rx_roce_discards", |
| [BNXT_RE_TO_RETRANSMITS].name = "to_retransmits", |
| [BNXT_RE_SEQ_ERR_NAKS_RCVD].name = "seq_err_naks_rcvd", |
| [BNXT_RE_MAX_RETRY_EXCEEDED].name = "max_retry_exceeded", |
| [BNXT_RE_RNR_NAKS_RCVD].name = "rnr_naks_rcvd", |
| [BNXT_RE_MISSING_RESP].name = "missing_resp", |
| [BNXT_RE_UNRECOVERABLE_ERR].name = "unrecoverable_err", |
| [BNXT_RE_BAD_RESP_ERR].name = "bad_resp_err", |
| [BNXT_RE_LOCAL_QP_OP_ERR].name = "local_qp_op_err", |
| [BNXT_RE_LOCAL_PROTECTION_ERR].name = "local_protection_err", |
| [BNXT_RE_MEM_MGMT_OP_ERR].name = "mem_mgmt_op_err", |
| [BNXT_RE_REMOTE_INVALID_REQ_ERR].name = "remote_invalid_req_err", |
| [BNXT_RE_REMOTE_ACCESS_ERR].name = "remote_access_err", |
| [BNXT_RE_REMOTE_OP_ERR].name = "remote_op_err", |
| [BNXT_RE_DUP_REQ].name = "dup_req", |
| [BNXT_RE_RES_EXCEED_MAX].name = "res_exceed_max", |
| [BNXT_RE_RES_LENGTH_MISMATCH].name = "res_length_mismatch", |
| [BNXT_RE_RES_EXCEEDS_WQE].name = "res_exceeds_wqe", |
| [BNXT_RE_RES_OPCODE_ERR].name = "res_opcode_err", |
| [BNXT_RE_RES_RX_INVALID_RKEY].name = "res_rx_invalid_rkey", |
| [BNXT_RE_RES_RX_DOMAIN_ERR].name = "res_rx_domain_err", |
| [BNXT_RE_RES_RX_NO_PERM].name = "res_rx_no_perm", |
| [BNXT_RE_RES_RX_RANGE_ERR].name = "res_rx_range_err", |
| [BNXT_RE_RES_TX_INVALID_RKEY].name = "res_tx_invalid_rkey", |
| [BNXT_RE_RES_TX_DOMAIN_ERR].name = "res_tx_domain_err", |
| [BNXT_RE_RES_TX_NO_PERM].name = "res_tx_no_perm", |
| [BNXT_RE_RES_TX_RANGE_ERR].name = "res_tx_range_err", |
| [BNXT_RE_RES_IRRQ_OFLOW].name = "res_irrq_oflow", |
| [BNXT_RE_RES_UNSUP_OPCODE].name = "res_unsup_opcode", |
| [BNXT_RE_RES_UNALIGNED_ATOMIC].name = "res_unaligned_atomic", |
| [BNXT_RE_RES_REM_INV_ERR].name = "res_rem_inv_err", |
| [BNXT_RE_RES_MEM_ERROR].name = "res_mem_err", |
| [BNXT_RE_RES_SRQ_ERR].name = "res_srq_err", |
| [BNXT_RE_RES_CMP_ERR].name = "res_cmp_err", |
| [BNXT_RE_RES_INVALID_DUP_RKEY].name = "res_invalid_dup_rkey", |
| [BNXT_RE_RES_WQE_FORMAT_ERR].name = "res_wqe_format_err", |
| [BNXT_RE_RES_CQ_LOAD_ERR].name = "res_cq_load_err", |
| [BNXT_RE_RES_SRQ_LOAD_ERR].name = "res_srq_load_err", |
| [BNXT_RE_RES_TX_PCI_ERR].name = "res_tx_pci_err", |
| [BNXT_RE_RES_RX_PCI_ERR].name = "res_rx_pci_err", |
| [BNXT_RE_OUT_OF_SEQ_ERR].name = "oos_drop_count", |
| [BNXT_RE_TX_ATOMIC_REQ].name = "tx_atomic_req", |
| [BNXT_RE_TX_READ_REQ].name = "tx_read_req", |
| [BNXT_RE_TX_READ_RES].name = "tx_read_resp", |
| [BNXT_RE_TX_WRITE_REQ].name = "tx_write_req", |
| [BNXT_RE_TX_SEND_REQ].name = "tx_send_req", |
| [BNXT_RE_RX_ATOMIC_REQ].name = "rx_atomic_req", |
| [BNXT_RE_RX_READ_REQ].name = "rx_read_req", |
| [BNXT_RE_RX_READ_RESP].name = "rx_read_resp", |
| [BNXT_RE_RX_WRITE_REQ].name = "rx_write_req", |
| [BNXT_RE_RX_SEND_REQ].name = "rx_send_req", |
| [BNXT_RE_RX_ROCE_GOOD_PKTS].name = "rx_roce_good_pkts", |
| [BNXT_RE_RX_ROCE_GOOD_BYTES].name = "rx_roce_good_bytes", |
| [BNXT_RE_OOB].name = "rx_out_of_buffer" |
| }; |
| |
| static void bnxt_re_copy_ext_stats(struct bnxt_re_dev *rdev, |
| struct rdma_hw_stats *stats, |
| struct bnxt_qplib_ext_stat *s) |
| { |
| stats->value[BNXT_RE_TX_ATOMIC_REQ] = s->tx_atomic_req; |
| stats->value[BNXT_RE_TX_READ_REQ] = s->tx_read_req; |
| stats->value[BNXT_RE_TX_READ_RES] = s->tx_read_res; |
| stats->value[BNXT_RE_TX_WRITE_REQ] = s->tx_write_req; |
| stats->value[BNXT_RE_TX_SEND_REQ] = s->tx_send_req; |
| stats->value[BNXT_RE_RX_ATOMIC_REQ] = s->rx_atomic_req; |
| stats->value[BNXT_RE_RX_READ_REQ] = s->rx_read_req; |
| stats->value[BNXT_RE_RX_READ_RESP] = s->rx_read_res; |
| stats->value[BNXT_RE_RX_WRITE_REQ] = s->rx_write_req; |
| stats->value[BNXT_RE_RX_SEND_REQ] = s->rx_send_req; |
| stats->value[BNXT_RE_RX_ROCE_GOOD_PKTS] = s->rx_roce_good_pkts; |
| stats->value[BNXT_RE_RX_ROCE_GOOD_BYTES] = s->rx_roce_good_bytes; |
| stats->value[BNXT_RE_OOB] = s->rx_out_of_buffer; |
| } |
| |
| static int bnxt_re_get_ext_stat(struct bnxt_re_dev *rdev, |
| struct rdma_hw_stats *stats) |
| { |
| struct bnxt_qplib_ext_stat *estat = &rdev->stats.rstat.ext_stat; |
| u32 fid; |
| int rc; |
| |
| fid = PCI_FUNC(rdev->en_dev->pdev->devfn); |
| rc = bnxt_qplib_qext_stat(&rdev->rcfw, fid, estat); |
| if (rc) |
| goto done; |
| bnxt_re_copy_ext_stats(rdev, stats, estat); |
| |
| done: |
| return rc; |
| } |
| |
| static void bnxt_re_copy_err_stats(struct bnxt_re_dev *rdev, |
| struct rdma_hw_stats *stats, |
| struct bnxt_qplib_roce_stats *err_s) |
| { |
| stats->value[BNXT_RE_TO_RETRANSMITS] = |
| err_s->to_retransmits; |
| stats->value[BNXT_RE_SEQ_ERR_NAKS_RCVD] = |
| err_s->seq_err_naks_rcvd; |
| stats->value[BNXT_RE_MAX_RETRY_EXCEEDED] = |
| err_s->max_retry_exceeded; |
| stats->value[BNXT_RE_RNR_NAKS_RCVD] = |
| err_s->rnr_naks_rcvd; |
| stats->value[BNXT_RE_MISSING_RESP] = |
| err_s->missing_resp; |
| stats->value[BNXT_RE_UNRECOVERABLE_ERR] = |
| err_s->unrecoverable_err; |
| stats->value[BNXT_RE_BAD_RESP_ERR] = |
| err_s->bad_resp_err; |
| stats->value[BNXT_RE_LOCAL_QP_OP_ERR] = |
| err_s->local_qp_op_err; |
| stats->value[BNXT_RE_LOCAL_PROTECTION_ERR] = |
| err_s->local_protection_err; |
| stats->value[BNXT_RE_MEM_MGMT_OP_ERR] = |
| err_s->mem_mgmt_op_err; |
| stats->value[BNXT_RE_REMOTE_INVALID_REQ_ERR] = |
| err_s->remote_invalid_req_err; |
| stats->value[BNXT_RE_REMOTE_ACCESS_ERR] = |
| err_s->remote_access_err; |
| stats->value[BNXT_RE_REMOTE_OP_ERR] = |
| err_s->remote_op_err; |
| stats->value[BNXT_RE_DUP_REQ] = |
| err_s->dup_req; |
| stats->value[BNXT_RE_RES_EXCEED_MAX] = |
| err_s->res_exceed_max; |
| stats->value[BNXT_RE_RES_LENGTH_MISMATCH] = |
| err_s->res_length_mismatch; |
| stats->value[BNXT_RE_RES_EXCEEDS_WQE] = |
| err_s->res_exceeds_wqe; |
| stats->value[BNXT_RE_RES_OPCODE_ERR] = |
| err_s->res_opcode_err; |
| stats->value[BNXT_RE_RES_RX_INVALID_RKEY] = |
| err_s->res_rx_invalid_rkey; |
| stats->value[BNXT_RE_RES_RX_DOMAIN_ERR] = |
| err_s->res_rx_domain_err; |
| stats->value[BNXT_RE_RES_RX_NO_PERM] = |
| err_s->res_rx_no_perm; |
| stats->value[BNXT_RE_RES_RX_RANGE_ERR] = |
| err_s->res_rx_range_err; |
| stats->value[BNXT_RE_RES_TX_INVALID_RKEY] = |
| err_s->res_tx_invalid_rkey; |
| stats->value[BNXT_RE_RES_TX_DOMAIN_ERR] = |
| err_s->res_tx_domain_err; |
| stats->value[BNXT_RE_RES_TX_NO_PERM] = |
| err_s->res_tx_no_perm; |
| stats->value[BNXT_RE_RES_TX_RANGE_ERR] = |
| err_s->res_tx_range_err; |
| stats->value[BNXT_RE_RES_IRRQ_OFLOW] = |
| err_s->res_irrq_oflow; |
| stats->value[BNXT_RE_RES_UNSUP_OPCODE] = |
| err_s->res_unsup_opcode; |
| stats->value[BNXT_RE_RES_UNALIGNED_ATOMIC] = |
| err_s->res_unaligned_atomic; |
| stats->value[BNXT_RE_RES_REM_INV_ERR] = |
| err_s->res_rem_inv_err; |
| stats->value[BNXT_RE_RES_MEM_ERROR] = |
| err_s->res_mem_error; |
| stats->value[BNXT_RE_RES_SRQ_ERR] = |
| err_s->res_srq_err; |
| stats->value[BNXT_RE_RES_CMP_ERR] = |
| err_s->res_cmp_err; |
| stats->value[BNXT_RE_RES_INVALID_DUP_RKEY] = |
| err_s->res_invalid_dup_rkey; |
| stats->value[BNXT_RE_RES_WQE_FORMAT_ERR] = |
| err_s->res_wqe_format_err; |
| stats->value[BNXT_RE_RES_CQ_LOAD_ERR] = |
| err_s->res_cq_load_err; |
| stats->value[BNXT_RE_RES_SRQ_LOAD_ERR] = |
| err_s->res_srq_load_err; |
| stats->value[BNXT_RE_RES_TX_PCI_ERR] = |
| err_s->res_tx_pci_err; |
| stats->value[BNXT_RE_RES_RX_PCI_ERR] = |
| err_s->res_rx_pci_err; |
| stats->value[BNXT_RE_OUT_OF_SEQ_ERR] = |
| err_s->res_oos_drop_count; |
| } |
| |
| int bnxt_re_ib_get_hw_stats(struct ib_device *ibdev, |
| struct rdma_hw_stats *stats, |
| u32 port, int index) |
| { |
| struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev); |
| struct ctx_hw_stats *hw_stats = NULL; |
| struct bnxt_qplib_roce_stats *err_s = NULL; |
| int rc = 0; |
| |
| hw_stats = rdev->qplib_ctx.stats.dma; |
| if (!port || !stats) |
| return -EINVAL; |
| |
| stats->value[BNXT_RE_ACTIVE_QP] = atomic_read(&rdev->qp_count); |
| stats->value[BNXT_RE_ACTIVE_SRQ] = atomic_read(&rdev->srq_count); |
| stats->value[BNXT_RE_ACTIVE_CQ] = atomic_read(&rdev->cq_count); |
| stats->value[BNXT_RE_ACTIVE_MR] = atomic_read(&rdev->mr_count); |
| stats->value[BNXT_RE_ACTIVE_MW] = atomic_read(&rdev->mw_count); |
| stats->value[BNXT_RE_ACTIVE_PD] = atomic_read(&rdev->pd_count); |
| stats->value[BNXT_RE_ACTIVE_AH] = atomic_read(&rdev->ah_count); |
| |
| if (hw_stats) { |
| stats->value[BNXT_RE_RECOVERABLE_ERRORS] = |
| le64_to_cpu(hw_stats->tx_bcast_pkts); |
| stats->value[BNXT_RE_RX_ERRORS] = |
| le64_to_cpu(hw_stats->rx_error_pkts); |
| stats->value[BNXT_RE_RX_DISCARDS] = |
| le64_to_cpu(hw_stats->rx_discard_pkts); |
| stats->value[BNXT_RE_RX_PKTS] = |
| le64_to_cpu(hw_stats->rx_ucast_pkts); |
| stats->value[BNXT_RE_RX_BYTES] = |
| le64_to_cpu(hw_stats->rx_ucast_bytes); |
| stats->value[BNXT_RE_TX_PKTS] = |
| le64_to_cpu(hw_stats->tx_ucast_pkts); |
| stats->value[BNXT_RE_TX_BYTES] = |
| le64_to_cpu(hw_stats->tx_ucast_bytes); |
| } |
| err_s = &rdev->stats.rstat.errs; |
| if (test_bit(BNXT_RE_FLAG_ISSUE_ROCE_STATS, &rdev->flags)) { |
| rc = bnxt_qplib_get_roce_stats(&rdev->rcfw, err_s); |
| if (rc) { |
| clear_bit(BNXT_RE_FLAG_ISSUE_ROCE_STATS, |
| &rdev->flags); |
| goto done; |
| } |
| if (_is_ext_stats_supported(rdev->dev_attr.dev_cap_flags) && |
| !rdev->is_virtfn) { |
| rc = bnxt_re_get_ext_stat(rdev, stats); |
| if (rc) { |
| clear_bit(BNXT_RE_FLAG_ISSUE_ROCE_STATS, |
| &rdev->flags); |
| goto done; |
| } |
| } |
| bnxt_re_copy_err_stats(rdev, stats, err_s); |
| } |
| |
| done: |
| return bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ? |
| BNXT_RE_NUM_EXT_COUNTERS : BNXT_RE_NUM_STD_COUNTERS; |
| } |
| |
| struct rdma_hw_stats *bnxt_re_ib_alloc_hw_port_stats(struct ib_device *ibdev, |
| u32 port_num) |
| { |
| struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev); |
| int num_counters = 0; |
| |
| if (bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx)) |
| num_counters = BNXT_RE_NUM_EXT_COUNTERS; |
| else |
| num_counters = BNXT_RE_NUM_STD_COUNTERS; |
| |
| return rdma_alloc_hw_stats_struct(bnxt_re_stat_descs, num_counters, |
| RDMA_HW_STATS_DEFAULT_LIFESPAN); |
| } |
