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 
8 static 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 };
36 
37 struct rdma_hw_stats *mana_ib_alloc_hw_port_stats(struct ib_device *ibdev,
38 						  u32 port_num)
39 {
40 	return rdma_alloc_hw_stats_struct(mana_ib_port_stats_desc,
41 					  ARRAY_SIZE(mana_ib_port_stats_desc),
42 					  RDMA_HW_STATS_DEFAULT_LIFESPAN);
43 }
44 
45 int mana_ib_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
46 			 u32 port_num, int index)
47 {
48 	struct mana_ib_dev *mdev = container_of(ibdev, struct mana_ib_dev,
49 						ib_dev);
50 	struct mana_rnic_query_vf_cntrs_resp resp = {};
51 	struct mana_rnic_query_vf_cntrs_req req = {};
52 	int err;
53 
54 	mana_gd_init_req_hdr(&req.hdr, MANA_IB_QUERY_VF_COUNTERS,
55 			     sizeof(req), sizeof(resp));
56 	req.hdr.dev_id = mdev->gdma_dev->dev_id;
57 	req.adapter = mdev->adapter_handle;
58 
59 	err = mana_gd_send_request(mdev_to_gc(mdev), sizeof(req), &req,
60 				   sizeof(resp), &resp);
61 	if (err) {
62 		ibdev_err(&mdev->ib_dev, "Failed to query vf counters err %d",
63 			  err);
64 		return err;
65 	}
66 
67 	stats->value[MANA_IB_REQUESTER_TIMEOUT] = resp.requester_timeout;
68 	stats->value[MANA_IB_REQUESTER_OOS_NAK] = resp.requester_oos_nak;
69 	stats->value[MANA_IB_REQUESTER_RNR_NAK] = resp.requester_rnr_nak;
70 	stats->value[MANA_IB_RESPONDER_RNR_NAK] = resp.responder_rnr_nak;
71 	stats->value[MANA_IB_RESPONDER_OOS] = resp.responder_oos;
72 	stats->value[MANA_IB_RESPONDER_DUP_REQUEST] = resp.responder_dup_request;
73 	stats->value[MANA_IB_REQUESTER_IMPLICIT_NAK] =
74 					resp.requester_implicit_nak;
75 	stats->value[MANA_IB_REQUESTER_READRESP_PSN_MISMATCH] =
76 					resp.requester_readresp_psn_mismatch;
77 	stats->value[MANA_IB_NAK_INV_REQ] = resp.nak_inv_req;
78 	stats->value[MANA_IB_NAK_ACCESS_ERR] = resp.nak_access_err;
79 	stats->value[MANA_IB_NAK_OPP_ERR] = resp.nak_opp_err;
80 	stats->value[MANA_IB_NAK_INV_READ] = resp.nak_inv_read;
81 	stats->value[MANA_IB_RESPONDER_LOCAL_LEN_ERR] =
82 					resp.responder_local_len_err;
83 	stats->value[MANA_IB_REQUESTOR_LOCAL_PROT_ERR] =
84 					resp.requestor_local_prot_err;
85 	stats->value[MANA_IB_RESPONDER_REM_ACCESS_ERR] =
86 					resp.responder_rem_access_err;
87 	stats->value[MANA_IB_RESPONDER_LOCAL_QP_ERR] =
88 					resp.responder_local_qp_err;
89 	stats->value[MANA_IB_RESPONDER_MALFORMED_WQE] =
90 					resp.responder_malformed_wqe;
91 	stats->value[MANA_IB_GENERAL_HW_ERR] = resp.general_hw_err;
92 	stats->value[MANA_IB_REQUESTER_RNR_NAK_RETRIES_EXCEEDED] =
93 					resp.requester_rnr_nak_retries_exceeded;
94 	stats->value[MANA_IB_REQUESTER_RETRIES_EXCEEDED] =
95 					resp.requester_retries_exceeded;
96 	stats->value[MANA_IB_TOTAL_FATAL_ERR] = resp.total_fatal_err;
97 
98 	stats->value[MANA_IB_RECEIVED_CNPS] = resp.received_cnps;
99 	stats->value[MANA_IB_NUM_QPS_CONGESTED] = resp.num_qps_congested;
100 	stats->value[MANA_IB_RATE_INC_EVENTS] = resp.rate_inc_events;
101 	stats->value[MANA_IB_NUM_QPS_RECOVERED] = resp.num_qps_recovered;
102 	stats->value[MANA_IB_CURRENT_RATE] = resp.current_rate;
103 
104 	return ARRAY_SIZE(mana_ib_port_stats_desc);
105 }
106