1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (c) 2017 Mellanox Technologies Ltd. All rights reserved.
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #include "rxe.h"
7*4882a593Smuzhiyun #include "rxe_hw_counters.h"
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun static const char * const rxe_counter_name[] = {
10*4882a593Smuzhiyun [RXE_CNT_SENT_PKTS] = "sent_pkts",
11*4882a593Smuzhiyun [RXE_CNT_RCVD_PKTS] = "rcvd_pkts",
12*4882a593Smuzhiyun [RXE_CNT_DUP_REQ] = "duplicate_request",
13*4882a593Smuzhiyun [RXE_CNT_OUT_OF_SEQ_REQ] = "out_of_seq_request",
14*4882a593Smuzhiyun [RXE_CNT_RCV_RNR] = "rcvd_rnr_err",
15*4882a593Smuzhiyun [RXE_CNT_SND_RNR] = "send_rnr_err",
16*4882a593Smuzhiyun [RXE_CNT_RCV_SEQ_ERR] = "rcvd_seq_err",
17*4882a593Smuzhiyun [RXE_CNT_COMPLETER_SCHED] = "ack_deferred",
18*4882a593Smuzhiyun [RXE_CNT_RETRY_EXCEEDED] = "retry_exceeded_err",
19*4882a593Smuzhiyun [RXE_CNT_RNR_RETRY_EXCEEDED] = "retry_rnr_exceeded_err",
20*4882a593Smuzhiyun [RXE_CNT_COMP_RETRY] = "completer_retry_err",
21*4882a593Smuzhiyun [RXE_CNT_SEND_ERR] = "send_err",
22*4882a593Smuzhiyun [RXE_CNT_LINK_DOWNED] = "link_downed",
23*4882a593Smuzhiyun [RXE_CNT_RDMA_SEND] = "rdma_sends",
24*4882a593Smuzhiyun [RXE_CNT_RDMA_RECV] = "rdma_recvs",
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun
rxe_ib_get_hw_stats(struct ib_device * ibdev,struct rdma_hw_stats * stats,u8 port,int index)27*4882a593Smuzhiyun int rxe_ib_get_hw_stats(struct ib_device *ibdev,
28*4882a593Smuzhiyun struct rdma_hw_stats *stats,
29*4882a593Smuzhiyun u8 port, int index)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun struct rxe_dev *dev = to_rdev(ibdev);
32*4882a593Smuzhiyun unsigned int cnt;
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun if (!port || !stats)
35*4882a593Smuzhiyun return -EINVAL;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun for (cnt = 0; cnt < ARRAY_SIZE(rxe_counter_name); cnt++)
38*4882a593Smuzhiyun stats->value[cnt] = atomic64_read(&dev->stats_counters[cnt]);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun return ARRAY_SIZE(rxe_counter_name);
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun
rxe_ib_alloc_hw_stats(struct ib_device * ibdev,u8 port_num)43*4882a593Smuzhiyun struct rdma_hw_stats *rxe_ib_alloc_hw_stats(struct ib_device *ibdev,
44*4882a593Smuzhiyun u8 port_num)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun BUILD_BUG_ON(ARRAY_SIZE(rxe_counter_name) != RXE_NUM_OF_COUNTERS);
47*4882a593Smuzhiyun /* We support only per port stats */
48*4882a593Smuzhiyun if (!port_num)
49*4882a593Smuzhiyun return NULL;
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun return rdma_alloc_hw_stats_struct(rxe_counter_name,
52*4882a593Smuzhiyun ARRAY_SIZE(rxe_counter_name),
53*4882a593Smuzhiyun RDMA_HW_STATS_DEFAULT_LIFESPAN);
54*4882a593Smuzhiyun }
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