1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB 2 /* 3 * Copyright (c) 2017 Mellanox Technologies Ltd. All rights reserved. 4 */ 5 6 #include "rxe.h" 7 #include "rxe_hw_counters.h" 8 9 static 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_COMPLETER_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 27 int 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 43 struct 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