1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2024, Microsoft Corporation. All rights reserved.
4 */
5
6#include "counters.h"
7
8static const struct rdma_stat_desc mana_ib_port_stats_desc[] = {
9 [MANA_IB_REQUESTER_TIMEOUT].name = "requester_timeout",
10 [MANA_IB_REQUESTER_OOS_NAK].name = "requester_oos_nak",
11 [MANA_IB_REQUESTER_RNR_NAK].name = "requester_rnr_nak",
12 [MANA_IB_RESPONDER_RNR_NAK].name = "responder_rnr_nak",
13 [MANA_IB_RESPONDER_OOS].name = "responder_oos",
14 [MANA_IB_RESPONDER_DUP_REQUEST].name = "responder_dup_request",
15 [MANA_IB_REQUESTER_IMPLICIT_NAK].name = "requester_implicit_nak",
16 [MANA_IB_REQUESTER_READRESP_PSN_MISMATCH].name = "requester_readresp_psn_mismatch",
17 [MANA_IB_NAK_INV_REQ].name = "nak_inv_req",
18 [MANA_IB_NAK_ACCESS_ERR].name = "nak_access_error",
19 [MANA_IB_NAK_OPP_ERR].name = "nak_opp_error",
20 [MANA_IB_NAK_INV_READ].name = "nak_inv_read",
21 [MANA_IB_RESPONDER_LOCAL_LEN_ERR].name = "responder_local_len_error",
22 [MANA_IB_REQUESTOR_LOCAL_PROT_ERR].name = "requestor_local_prot_error",
23 [MANA_IB_RESPONDER_REM_ACCESS_ERR].name = "responder_rem_access_error",
24 [MANA_IB_RESPONDER_LOCAL_QP_ERR].name = "responder_local_qp_error",
25 [MANA_IB_RESPONDER_MALFORMED_WQE].name = "responder_malformed_wqe",
26 [MANA_IB_GENERAL_HW_ERR].name = "general_hw_error",
27 [MANA_IB_REQUESTER_RNR_NAK_RETRIES_EXCEEDED].name = "requester_rnr_nak_retries_exceeded",
28 [MANA_IB_REQUESTER_RETRIES_EXCEEDED].name = "requester_retries_exceeded",
29 [MANA_IB_TOTAL_FATAL_ERR].name = "total_fatal_error",
30 [MANA_IB_RECEIVED_CNPS].name = "received_cnps",
31 [MANA_IB_NUM_QPS_CONGESTED].name = "num_qps_congested",
32 [MANA_IB_RATE_INC_EVENTS].name = "rate_inc_events",
33 [MANA_IB_NUM_QPS_RECOVERED].name = "num_qps_recovered",
34 [MANA_IB_CURRENT_RATE].name = "current_rate",
35 [MANA_IB_DUP_RX_REQ].name = "dup_rx_requests",
36 [MANA_IB_TX_BYTES].name = "tx_bytes",
37 [MANA_IB_RX_BYTES].name = "rx_bytes",
38 [MANA_IB_RX_SEND_REQ].name = "rx_send_requests",
39 [MANA_IB_RX_WRITE_REQ].name = "rx_write_requests",
40 [MANA_IB_RX_READ_REQ].name = "rx_read_requests",
41 [MANA_IB_TX_PKT].name = "tx_packets",
42 [MANA_IB_RX_PKT].name = "rx_packets",
43};
44
45static const struct rdma_stat_desc mana_ib_device_stats_desc[] = {
46 [MANA_IB_SENT_CNPS].name = "sent_cnps",
47 [MANA_IB_RECEIVED_ECNS].name = "received_ecns",
48 [MANA_IB_RECEIVED_CNP_COUNT].name = "received_cnp_count",
49 [MANA_IB_QP_CONGESTED_EVENTS].name = "qp_congested_events",
50 [MANA_IB_QP_RECOVERED_EVENTS].name = "qp_recovered_events",
51 [MANA_IB_DEV_RATE_INC_EVENTS].name = "rate_inc_events",
52};
53
54struct rdma_hw_stats *mana_ib_alloc_hw_device_stats(struct ib_device *ibdev)
55{
56 return rdma_alloc_hw_stats_struct(descs: mana_ib_device_stats_desc,
57 ARRAY_SIZE(mana_ib_device_stats_desc),
58 RDMA_HW_STATS_DEFAULT_LIFESPAN);
59}
60
61struct rdma_hw_stats *mana_ib_alloc_hw_port_stats(struct ib_device *ibdev,
62 u32 port_num)
63{
64 return rdma_alloc_hw_stats_struct(descs: mana_ib_port_stats_desc,
65 ARRAY_SIZE(mana_ib_port_stats_desc),
66 RDMA_HW_STATS_DEFAULT_LIFESPAN);
67}
68
69static int mana_ib_get_hw_device_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats)
70{
71 struct mana_ib_dev *mdev = container_of(ibdev, struct mana_ib_dev,
72 ib_dev);
73 struct mana_rnic_query_device_cntrs_resp resp = {};
74 struct mana_rnic_query_device_cntrs_req req = {};
75 int err;
76
77 mana_gd_init_req_hdr(hdr: &req.hdr, code: MANA_IB_QUERY_DEVICE_COUNTERS,
78 req_size: sizeof(req), resp_size: sizeof(resp));
79 req.hdr.dev_id = mdev->gdma_dev->dev_id;
80 req.adapter = mdev->adapter_handle;
81
82 err = mana_gd_send_request(gc: mdev_to_gc(mdev), req_len: sizeof(req), req: &req,
83 resp_len: sizeof(resp), resp: &resp);
84 if (err) {
85 ibdev_err(ibdev: &mdev->ib_dev, format: "Failed to query device counters err %d",
86 err);
87 return err;
88 }
89
90 stats->value[MANA_IB_SENT_CNPS] = resp.sent_cnps;
91 stats->value[MANA_IB_RECEIVED_ECNS] = resp.received_ecns;
92 stats->value[MANA_IB_RECEIVED_CNP_COUNT] = resp.received_cnp_count;
93 stats->value[MANA_IB_QP_CONGESTED_EVENTS] = resp.qp_congested_events;
94 stats->value[MANA_IB_QP_RECOVERED_EVENTS] = resp.qp_recovered_events;
95 stats->value[MANA_IB_DEV_RATE_INC_EVENTS] = resp.rate_inc_events;
96
97 return ARRAY_SIZE(mana_ib_device_stats_desc);
98}
99
100static int mana_ib_get_hw_port_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
101 u32 port_num)
102{
103 struct mana_ib_dev *mdev = container_of(ibdev, struct mana_ib_dev,
104 ib_dev);
105 struct mana_rnic_query_vf_cntrs_resp resp = {};
106 struct mana_rnic_query_vf_cntrs_req req = {};
107 int err;
108
109 mana_gd_init_req_hdr(hdr: &req.hdr, code: MANA_IB_QUERY_VF_COUNTERS,
110 req_size: sizeof(req), resp_size: sizeof(resp));
111 req.hdr.resp.msg_version = GDMA_MESSAGE_V2;
112 req.hdr.dev_id = mdev->gdma_dev->dev_id;
113 req.adapter = mdev->adapter_handle;
114
115 err = mana_gd_send_request(gc: mdev_to_gc(mdev), req_len: sizeof(req), req: &req,
116 resp_len: sizeof(resp), resp: &resp);
117 if (err) {
118 ibdev_err(ibdev: &mdev->ib_dev, format: "Failed to query vf counters err %d",
119 err);
120 return err;
121 }
122
123 stats->value[MANA_IB_REQUESTER_TIMEOUT] = resp.requester_timeout;
124 stats->value[MANA_IB_REQUESTER_OOS_NAK] = resp.requester_oos_nak;
125 stats->value[MANA_IB_REQUESTER_RNR_NAK] = resp.requester_rnr_nak;
126 stats->value[MANA_IB_RESPONDER_RNR_NAK] = resp.responder_rnr_nak;
127 stats->value[MANA_IB_RESPONDER_OOS] = resp.responder_oos;
128 stats->value[MANA_IB_RESPONDER_DUP_REQUEST] = resp.responder_dup_request;
129 stats->value[MANA_IB_REQUESTER_IMPLICIT_NAK] =
130 resp.requester_implicit_nak;
131 stats->value[MANA_IB_REQUESTER_READRESP_PSN_MISMATCH] =
132 resp.requester_readresp_psn_mismatch;
133 stats->value[MANA_IB_NAK_INV_REQ] = resp.nak_inv_req;
134 stats->value[MANA_IB_NAK_ACCESS_ERR] = resp.nak_access_err;
135 stats->value[MANA_IB_NAK_OPP_ERR] = resp.nak_opp_err;
136 stats->value[MANA_IB_NAK_INV_READ] = resp.nak_inv_read;
137 stats->value[MANA_IB_RESPONDER_LOCAL_LEN_ERR] =
138 resp.responder_local_len_err;
139 stats->value[MANA_IB_REQUESTOR_LOCAL_PROT_ERR] =
140 resp.requestor_local_prot_err;
141 stats->value[MANA_IB_RESPONDER_REM_ACCESS_ERR] =
142 resp.responder_rem_access_err;
143 stats->value[MANA_IB_RESPONDER_LOCAL_QP_ERR] =
144 resp.responder_local_qp_err;
145 stats->value[MANA_IB_RESPONDER_MALFORMED_WQE] =
146 resp.responder_malformed_wqe;
147 stats->value[MANA_IB_GENERAL_HW_ERR] = resp.general_hw_err;
148 stats->value[MANA_IB_REQUESTER_RNR_NAK_RETRIES_EXCEEDED] =
149 resp.requester_rnr_nak_retries_exceeded;
150 stats->value[MANA_IB_REQUESTER_RETRIES_EXCEEDED] =
151 resp.requester_retries_exceeded;
152 stats->value[MANA_IB_TOTAL_FATAL_ERR] = resp.total_fatal_err;
153
154 stats->value[MANA_IB_RECEIVED_CNPS] = resp.received_cnps;
155 stats->value[MANA_IB_NUM_QPS_CONGESTED] = resp.num_qps_congested;
156 stats->value[MANA_IB_RATE_INC_EVENTS] = resp.rate_inc_events;
157 stats->value[MANA_IB_NUM_QPS_RECOVERED] = resp.num_qps_recovered;
158 stats->value[MANA_IB_CURRENT_RATE] = resp.current_rate;
159
160 stats->value[MANA_IB_DUP_RX_REQ] = resp.dup_rx_req;
161 stats->value[MANA_IB_TX_BYTES] = resp.tx_bytes;
162 stats->value[MANA_IB_RX_BYTES] = resp.rx_bytes;
163 stats->value[MANA_IB_RX_SEND_REQ] = resp.rx_send_req;
164 stats->value[MANA_IB_RX_WRITE_REQ] = resp.rx_write_req;
165 stats->value[MANA_IB_RX_READ_REQ] = resp.rx_read_req;
166 stats->value[MANA_IB_TX_PKT] = resp.tx_pkt;
167 stats->value[MANA_IB_RX_PKT] = resp.rx_pkt;
168
169 return ARRAY_SIZE(mana_ib_port_stats_desc);
170}
171
172int mana_ib_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
173 u32 port_num, int index)
174{
175 if (!port_num)
176 return mana_ib_get_hw_device_stats(ibdev, stats);
177 else
178 return mana_ib_get_hw_port_stats(ibdev, stats, port_num);
179}
180

source code of linux/drivers/infiniband/hw/mana/counters.c