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 char * const rxe_counter_name[] = {
10 [RXE_CNT_SENT_PKTS] = "sent_pkts",
11 [RXE_CNT_RCVD_PKTS] = "rcvd_pkts",
12 [RXE_CNT_DUP_REQ] = "duplicate_request",
13 [RXE_CNT_OUT_OF_SEQ_REQ] = "out_of_seq_request",
14 [RXE_CNT_RCV_RNR] = "rcvd_rnr_err",
15 [RXE_CNT_SND_RNR] = "send_rnr_err",
16 [RXE_CNT_RCV_SEQ_ERR] = "rcvd_seq_err",
17 [RXE_CNT_COMPLETER_SCHED] = "ack_deferred",
18 [RXE_CNT_RETRY_EXCEEDED] = "retry_exceeded_err",
19 [RXE_CNT_RNR_RETRY_EXCEEDED] = "retry_rnr_exceeded_err",
20 [RXE_CNT_COMP_RETRY] = "completer_retry_err",
21 [RXE_CNT_SEND_ERR] = "send_err",
22 [RXE_CNT_LINK_DOWNED] = "link_downed",
23 [RXE_CNT_RDMA_SEND] = "rdma_sends",
24 [RXE_CNT_RDMA_RECV] = "rdma_recvs",
25 };
26
rxe_ib_get_hw_stats(struct ib_device * ibdev,struct rdma_hw_stats * stats,u32 port,int index)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_name); cnt++)
38 stats->value[cnt] = atomic64_read(&dev->stats_counters[cnt]);
39
40 return ARRAY_SIZE(rxe_counter_name);
41 }
42
rxe_ib_alloc_hw_port_stats(struct ib_device * ibdev,u32 port_num)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_name) != RXE_NUM_OF_COUNTERS);
47
48 return rdma_alloc_hw_stats_struct(rxe_counter_name,
49 ARRAY_SIZE(rxe_counter_name),
50 RDMA_HW_STATS_DEFAULT_LIFESPAN);
51 }
52