| // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB |
| /* |
| * Copyright (c) 2017 Mellanox Technologies Ltd. All rights reserved. |
| */ |
| |
| #include "rxe.h" |
| #include "rxe_hw_counters.h" |
| |
| static const char * const rxe_counter_name[] = { |
| [RXE_CNT_SENT_PKTS] = "sent_pkts", |
| [RXE_CNT_RCVD_PKTS] = "rcvd_pkts", |
| [RXE_CNT_DUP_REQ] = "duplicate_request", |
| [RXE_CNT_OUT_OF_SEQ_REQ] = "out_of_seq_request", |
| [RXE_CNT_RCV_RNR] = "rcvd_rnr_err", |
| [RXE_CNT_SND_RNR] = "send_rnr_err", |
| [RXE_CNT_RCV_SEQ_ERR] = "rcvd_seq_err", |
| [RXE_CNT_COMPLETER_SCHED] = "ack_deferred", |
| [RXE_CNT_RETRY_EXCEEDED] = "retry_exceeded_err", |
| [RXE_CNT_RNR_RETRY_EXCEEDED] = "retry_rnr_exceeded_err", |
| [RXE_CNT_COMP_RETRY] = "completer_retry_err", |
| [RXE_CNT_SEND_ERR] = "send_err", |
| [RXE_CNT_LINK_DOWNED] = "link_downed", |
| [RXE_CNT_RDMA_SEND] = "rdma_sends", |
| [RXE_CNT_RDMA_RECV] = "rdma_recvs", |
| }; |
| |
| int rxe_ib_get_hw_stats(struct ib_device *ibdev, |
| struct rdma_hw_stats *stats, |
| u8 port, int index) |
| { |
| struct rxe_dev *dev = to_rdev(ibdev); |
| unsigned int cnt; |
| |
| if (!port || !stats) |
| return -EINVAL; |
| |
| for (cnt = 0; cnt < ARRAY_SIZE(rxe_counter_name); cnt++) |
| stats->value[cnt] = atomic64_read(&dev->stats_counters[cnt]); |
| |
| return ARRAY_SIZE(rxe_counter_name); |
| } |
| |
| struct rdma_hw_stats *rxe_ib_alloc_hw_stats(struct ib_device *ibdev, |
| u8 port_num) |
| { |
| BUILD_BUG_ON(ARRAY_SIZE(rxe_counter_name) != RXE_NUM_OF_COUNTERS); |
| /* We support only per port stats */ |
| if (!port_num) |
| return NULL; |
| |
| return rdma_alloc_hw_stats_struct(rxe_counter_name, |
| ARRAY_SIZE(rxe_counter_name), |
| RDMA_HW_STATS_DEFAULT_LIFESPAN); |
| } |
