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1// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB2/*3 * Copyright (c) 2017 Mellanox Technologies Ltd. All rights reserved.4 */5 6#include "rxe.h"7#include "rxe_hw_counters.h"8 9static const struct rdma_stat_desc rxe_counter_descs[] = {10 [RXE_CNT_SENT_PKTS].name = "sent_pkts",11 [RXE_CNT_RCVD_PKTS].name = "rcvd_pkts",12 [RXE_CNT_DUP_REQ].name = "duplicate_request",13 [RXE_CNT_OUT_OF_SEQ_REQ].name = "out_of_seq_request",14 [RXE_CNT_RCV_RNR].name = "rcvd_rnr_err",15 [RXE_CNT_SND_RNR].name = "send_rnr_err",16 [RXE_CNT_RCV_SEQ_ERR].name = "rcvd_seq_err",17 [RXE_CNT_SENDER_SCHED].name = "ack_deferred",18 [RXE_CNT_RETRY_EXCEEDED].name = "retry_exceeded_err",19 [RXE_CNT_RNR_RETRY_EXCEEDED].name = "retry_rnr_exceeded_err",20 [RXE_CNT_COMP_RETRY].name = "completer_retry_err",21 [RXE_CNT_SEND_ERR].name = "send_err",22 [RXE_CNT_LINK_DOWNED].name = "link_downed",23 [RXE_CNT_RDMA_SEND].name = "rdma_sends",24 [RXE_CNT_RDMA_RECV].name = "rdma_recvs",25};26 27int rxe_ib_get_hw_stats(struct ib_device *ibdev,28 struct rdma_hw_stats *stats,29 u32 port, int index)30{31 struct rxe_dev *dev = to_rdev(ibdev);32 unsigned int cnt;33 34 if (!port || !stats)35 return -EINVAL;36 37 for (cnt = 0; cnt < ARRAY_SIZE(rxe_counter_descs); cnt++)38 stats->value[cnt] = atomic64_read(&dev->stats_counters[cnt]);39 40 return ARRAY_SIZE(rxe_counter_descs);41}42 43struct rdma_hw_stats *rxe_ib_alloc_hw_port_stats(struct ib_device *ibdev,44 u32 port_num)45{46 BUILD_BUG_ON(ARRAY_SIZE(rxe_counter_descs) != RXE_NUM_OF_COUNTERS);47 48 return rdma_alloc_hw_stats_struct(rxe_counter_descs,49 ARRAY_SIZE(rxe_counter_descs),50 RDMA_HW_STATS_DEFAULT_LIFESPAN);51}52